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The Treasury Security (or "T-Sec") indexes are calculated by the Treasury Department and reported by the Federal Reserve; these indexes have both weekly and monthly values. Most lenders use the weekly value on their ARMs. These indexes reflect the state of the economy, and respond quickly to economic changes.
Your new interest rate will be determined by the T-Sec value 30 to 45 days before your next rate change. A margin (which averages 2.75 percent) is added to this index by the lender when your ARM's rate is adjusted.
To compute your new mortgage rate, take the correct index value and add your margin; then, round the result to the nearest one-eighth percent. (Some contracts call for rounding to the next highest one-eighth percent.) If, for example, the index value is 6.04 percent and your margin is 2.75 percent, the sum is 8.79%; rounding to the nearest one-eighth percent would set your ARM rate at 8.75%. Remember to check for any 'caps' on your ARM. Usually, they limit any rate changes to 2 percent over (or under) your old interest rate. Your mortgage disclosure specifies the exact index, whether the weekly or monthly value applies, the lead time for your index, the margin, and any caps.
See our ARM Check Kit for complete instructions and worksheets.
For the latest index values, see the Current Indexes Table.
Please Note: The Treasury Constant Maturity series are BIG files. Some browsers (and machines with limited memory) may not be able display these files in their entirety. If you don't see the entire history, save the file and view it off-line.
Week 2 Year T-Sec 7 Year T-Sec 10 Year T-Sec 20 Year T-Sec 30 Year T-Sec Ending Weekly Monthly Weekly Monthly Weekly Monthly Weekly Monthly Weekly Monthly 04-Jan-80 11.39 11.50 10.52 10.77 10.52 10.80 First compiled 10.25 10.60 11-Jan-80 11.27 10.57 10.59 01-Oct-93 10.31 18-Jan-80 11.37 10.66 10.71 10.46 25-Jan-80 11.63 10.91 10.95 10.80 01-Feb-80 11.86 13.42 11.17 12.53 11.19 12.41 11.12 12.13 08-Feb-80 12.31 11.73 11.71 11.63 15-Feb-80 12.71 12.02 12.01 11.94 22-Feb-80 14.26 13.16 12.99 12.63 29-Feb-80 14.70 13.50 13.20 12.57 07-Mar-80 15.03 14.88 13.23 13.00 12.94 12.75 12.44 12.34 14-Mar-80 14.67 12.76 12.54 12.23 21-Mar-80 14.72 12.76 12.54 12.13 28-Mar-80 15.16 13.28 13.00 12.55 04-Apr-80 14.56 12.50 12.74 11.49 12.62 11.47 12.30 11.40 11-Apr-80 13.61 12.04 12.05 11.76 18-Apr-80 12.28 11.25 11.25 11.17 25-Apr-80 11.44 10.93 10.90 11.05 02-May-80 10.61 9.45 10.54 10.09 10.57 10.18 10.77 10.36 09-May-80 9.60 10.02 10.08 10.30 16-May-80 9.48 10.16 10.25 10.40 23-May-80 9.21 10.08 10.16 10.38 30-May-80 9.07 9.98 10.14 10.25 06-Jun-80 9.06 8.73 9.80 9.45 10.07 9.78 10.17 9.81 13-Jun-80 8.58 9.32 9.66 9.70 20-Jun-80 8.49 9.16 9.51 9.54 27-Jun-80 8.74 9.47 9.80 9.81 04-Jul-80 8.94 9.03 9.74 9.84 10.11 10.25 10.06 10.24 11-Jul-80 8.89 9.78 10.18 10.19 18-Jul-80 8.95 9.76 10.20 10.19 25-Jul-80 9.02 9.76 10.20 10.20 01-Aug-80 9.47 10.53 10.20 10.95 10.59 11.10 10.58 11.00 08-Aug-80 9.70 10.39 10.75 10.74 15-Aug-80 10.06 10.66 10.93 10.94 22-Aug-80 11.03 11.20 11.20 11.09 29-Aug-80 11.47 11.65 11.59 11.28 05-Sep-80 10.86 11.57 11.23 11.57 11.19 11.51 11.03 11.34 12-Sep-80 11.19 11.30 11.26 11.11 19-Sep-80 11.74 11.60 11.51 11.34 26-Sep-80 12.10 11.91 11.82 11.63 03-Oct-80 12.02 12.09 11.79 11.79 11.79 11.75 11.66 11.59 10-Oct-80 11.56 11.44 11.42 11.28 17-Oct-80 11.71 11.49 11.44 11.25 24-Oct-80 12.20 11.80 11.76 11.60 31-Oct-80 12.95 12.45 12.37 12.16 07-Nov-80 13.39 13.51 12.76 12.71 12.69 12.68 12.44 12.37 14-Nov-80 13.07 12.50 12.63 12.41 21-Nov-80 13.58 12.74 12.69 12.33 28-Nov-80 14.00 12.82 13.72 12.30 05-Dec-80 14.21 14.08 13.09 13.00 12.91 12.84 12.44 12.40 12-Dec-80 14.66 13.38 13.19 12.78 19-Dec-80 14.77 13.40 13.18 12.68 26-Dec-80 13.15 12.37 12.29 11.87 02-Jan-81 13.00 13.26 12.43 12.66 12.36 12.57 11.95 12.14 09-Jan-81 12.85 12.40 12.31 11.85 16-Jan-81 13.15 12.62 12.53 12.12 23-Jan-81 13.69 12.85 12.72 12.31 30-Jan-81 13.39 12.78 12.74 12.32 06-Feb-81 13.67 13.92 13.00 13.28 12.95 13.19 12.60 12.80 13-Feb-81 14.22 13.45 13.39 12.99 20-Feb-81 13.81 13.24 13.16 12.77 27-Feb-81 14.02 13.45 13.32 12.89 06-Mar-81 14.16 13.57 13.56 13.24 13.43 13.12 12.99 12.69 13-Mar-81 13.70 13.14 13.04 12.62 20-Mar-81 12.99 12.83 12.71 12.29 27-Mar-81 13.54 13.42 13.27 12.83 03-Apr-81 13.33 14.15 13.36 13.85 13.23 13.68 12.77 13.20 10-Apr-81 13.90 13.73 13.56 13.12 17-Apr-81 14.10 13.89 13.70 13.24 24-Apr-81 14.45 13.96 13.78 13.25 01-May-81 14.72 15.46 14.17 14.30 14.01 14.10 13.50 13.60 08-May-81 15.70 14.64 14.46 13.93 15-May-81 15.79 14.52 14.32 13.81 22-May-81 15.50 14.14 13.92 13.42 29-May-81 14.86 13.81 13.61 13.16 05-Jun-81 14.65 14.51 13.72 13.67 13.53 13.47 13.08 12.96 12-Jun-81 14.37 13.56 13.34 12.85 19-Jun-81 14.36 13.49 13.29 12.76 26-Jun-81 14.61 13.76 13.61 13.05 03-Jul-81 14.74 15.35 14.10 14.49 13.88 14.28 13.31 13.59 10-Jul-81 14.93 14.22 14.00 13.35 17-Jul-81 15.02 14.27 14.08 13.40 24-Jul-81 15.88 14.79 14.56 13.81 31-Jul-81 15.77 14.80 14.59 13.87 07-Aug-81 16.09 16.28 15.15 15.22 14.90 14.94 14.14 14.17 14-Aug-81 15.97 14.83 14.61 13.83 21-Aug-81 16.28 15.13 14.83 14.00 28-Aug-81 16.71 15.69 15.32 14.57 04-Sep-81 16.82 16.46 15.76 15.65 15.44 15.32 15.77 14.67 11-Sep-81 16.77 15.72 15.37 14.72 18-Sep-81 16.14 15.39 15.05 14.37 25-Sep-81 16.13 15.52 15.21 14.56 02-Oct-81 16.55 15.54 15.95 15.33 15.68 15.15 15.07 14.68 09-Oct-81 15.69 15.31 15.02 14.49 16-Oct-81 15.34 15.08 14.88 14.45 23-Oct-81 15.50 15.37 15.21 14.77 30-Oct-81 15.24 15.33 15.25 14.87 06-Nov-81 14.15 12.88 14.34 13.42 14.22 13.39 14.07 13.35 13-Nov-81 13.00 13.41 13.29 13.40 20-Nov-81 12.40 13.17 13.09 13.12 27-Nov-81 12.22 12.97 13.12 13.00 04-Dec-81 12.61 13.29 13.10 13.62 13.32 13.72 13.05 13.45 11-Dec-81 12.92 13.51 13.66 13.40 18-Dec-81 13.22 13.47 13.58 13.35 25-Dec-81 13.86 13.99 14.00 13.70 01-Jan-82 13.88 14.57 14.04 14.67 14.07 14.59 13.78 14.22 08-Jan-82 14.12 14.54 14.47 14.15 15-Jan-82 14.67 14.84 14.76 14.38 22-Jan-82 14.93 14.80 14.73 14.28 29-Jan-82 14.55 14.48 14.42 14.09 05-Feb-82 14.93 14.82 14.66 14.46 14.63 14.43 14.39 14.22 12-Feb-82 15.10 14.87 14.84 14.68 19-Feb-82 15.04 14.42 14.39 14.18 26-Feb-82 14.32 13.97 13.92 13.71 05-Mar-82 14.03 14.19 13.77 13.93 13.70 13.86 13.43 13.53 12-Mar-82 14.04 13.80 13.80 13.54 19-Mar-82 14.30 13.96 13.90 13.54 26-Mar-82 14.18 13.96 13.86 13.48 02-Apr-82 14.51 14.20 14.30 13.94 14.15 13.87 13.70 13.37 09-Apr-82 14.40 14.21 14.13 13.66 16-Apr-82 14.27 13.90 13.85 13.31 23-Apr-82 14.09 13.76 13.69 13.19 30-Apr-82 13.99 13.82 13.78 13.28 07-May-82 13.99 13.78 13.83 13.74 13.73 13.62 13.27 13.24 14-May-82 13.81 13.67 13.53 13.17 21-May-82 13.71 13.69 13.57 13.24 28-May-82 13.63 13.78 13.66 13.29 04-Jun-82 13.95 14.47 14.07 14.47 13.92 14.30 13.67 13.92 11-Jun-82 14.06 14.11 13.97 13.68 18-Jun-82 14.60 14.51 14.36 13.99 25-Jun-82 14.94 14.90 14.70 14.21 02-Jul-82 14.75 13.80 14.73 14.07 14.54 13.95 14.03 13.55 09-Jul-82 14.43 14.47 14.30 13.79 16-Jul-82 14.00 14.06 13.93 13.53 23-Jul-82 13.20 13.67 13.58 13.27 30-Jul-82 13.34 13.93 13.85 13.49 06-Aug-82 12.99 12.32 13.69 13.14 13.63 13.06 13.28 12.77 13-Aug-82 13.01 13.66 13.57 13.19 20-Aug-82 11.75 12.68 12.60 12.39 27-Aug-82 11.67 12.62 12.51 12.30 03-Sep-82 11.93 11.78 12.77 12.36 12.69 12.34 12.38 12.07 10-Sep-82 11.90 12.63 12.58 12.25 17-Sep-82 12.01 12.60 12.58 12.21 24-Sep-82 11.68 12.13 12.14 11.86 01-Oct-82 11.37 10.19 11.77 10.88 11.78 10.91 11.76 11.17 08-Oct-82 10.95 11.32 11.33 11.56 15-Oct-82 9.80 10.55 10.57 10.87 22-Oct-82 9.80 10.63 10.67 10.93 29-Oct-82 9.93 10.84 10.87 11.16 05-Nov-82 9.68 9.80 10.48 10.53 10.48 10.55 10.70 10.54 12-Nov-82 9.80 10.54 10.53 10.46 19-Nov-82 9.86 10.56 10.56 10.47 26-Nov-82 9.76 10.46 10.52 10.47 03-Dec-82 9.89 9.66 10.58 10.49 10.69 10.54 10.64 10.54 10-Dec-82 9.80 10.48 10.56 10.51 17-Dec-82 9.62 10.50 10.56 10.59 24-Dec-82 9.57 10.55 10.56 10.59 31-Dec-82 9.52 10.40 10.43 10.45 07-Jan-83 9.35 9.33 10.29 10.36 10.36 10.46 10.46 10.63 14-Jan-83 9.17 10.22 10.32 10.48 21-Jan-83 9.25 10.28 10.41 10.63 28-Jan-83 9.49 10.58 10.68 10.87 04-Feb-83 9.68 9.64 10.74 10.56 10.88 10.72 11.01 10.88 11-Feb-83 9.79 10.78 10.92 11.05 18-Feb-83 9.69 10.59 10.75 10.91 25-Feb-83 9.38 10.17 10.40 10.59 04-Mar-83 9.27 9.66 9.97 10.31 10.25 10.51 10.47 10.63 11-Mar-83 9.61 10.24 10.51 10.66 18-Mar-83 9.66 10.30 10.52 10.67 25-Mar-83 9.83 10.51 10.60 10.67 01-Apr-83 9.89 9.57 10.53 10.29 10.62 10.40 10.68 10.48 08-Apr-83 9.72 10.40 10.52 10.58 15-Apr-83 9.54 10.26 10.37 10.43 22-Apr-83 9.57 10.28 10.38 10.47 29-Apr-83 9.44 10.20 10.33 10.43 06-May-83 9.23 9.49 10.07 10.30 10.19 10.38 10.32 10.53 13-May-83 9.27 10.12 10.21 10.35 20-May-83 9.54 10.38 10.45 10.62 27-May-83 9.81 10.55 10.59 10.73 03-Jun-83 9.99 10.18 10.76 10.83 10.79 10.85 10.93 10.93 10-Jun-83 10.16 10.85 10.87 10.96 17-Jun-83 10.08 10.70 10.71 10.80 24-Jun-83 10.32 10.84 10.87 10.92 01-Jul-83 10.29 10.69 10.96 11.35 11.01 11.38 11.07 11.40 08-Jul-83 10.57 11.24 11.25 11.29 15-Jul-83 10.71 11.37 11.40 11.41 22-Jul-83 10.70 11.32 11.36 11.36 29-Jul-83 10.83 11.53 11.57 11.59 05-Aug-83 11.18 11.07 11.88 11.77 11.95 11.85 11.93 11.82 12-Aug-83 11.34 12.06 12.10 12.05 19-Aug-83 10.93 11.61 11.71 11.69 26-Aug-83 10.80 11.47 11.58 11.55 02-Sep-83 11.14 10.79 11.88 11.61 11.94 11.65 11.92 11.63 09-Sep-83 10.95 11.73 11.76 11.73 16-Sep-83 10.83 11.64 11.69 11.67 23-Sep-83 10.70 11.54 11.59 11.57 30-Sep-83 10.56 11.42 11.46 11.45 07-Oct-83 10.49 10.57 11.34 11.47 11.38 11.54 11.41 11.58 14-Oct-83 10.67 11.55 11.60 11.63 21-Oct-83 10.51 11.40 11.47 11.51 28-Oct-83 10.63 11.58 11.68 11.72 04-Nov-83 10.65 10.66 11.64 11.61 11.75 11.69 11.81 11.75 11-Nov-83 10.72 11.70 11.80 11.84 18-Nov-83 10.66 11.62 11.70 11.76 25-Nov-83 10.63 11.52 11.59 11.66 02-Dec-83 10.69 10.21 11.59 11.02 11.64 11.10 11.69 11.88 09-Dec-83 10.79 11.76 11.82 11.87 16-Dec-83 10.89 11.88 11.93 11.98 23-Dec-83 10.86 11.77 11.82 11.90 30-Dec-83 10.85 11.74 11.79 11.84 06-Jan-84 10.77 9.90 11.71 11.58 11.79 11.67 11.86 11.75 13-Jan-84 10.66 11.63 11.71 11.79 20-Jan-84 10.56 11.50 11.59 11.67 27-Jan-84 10.63 11.52 11.63 11.71 03-Feb-84 10.56 10.79 11.53 11.75 11.63 11.84 11.74 11.95 10-Feb-84 10.67 11.65 11.74 11.83 17-Feb-84 10.78 11.75 11.85 11.96 24-Feb-84 10.94 11.87 11.97 12.09 02-Mar-84 11.00 11.31 11.97 12.25 12.05 12.32 12.15 12.38 09-Mar-84 11.09 12.09 12.18 12.27 16-Mar-84 11.24 12.22 12.29 12.38 23-Mar-84 11.52 12.40 12.46 12.52 30-Mar-84 11.54 12.39 12.46 12.47 06-Apr-84 11.67 11.69 12.54 12.56 12.61 12.63 12.60 12.65 13-Apr-84 11.55 12.41 12.49 12.50 20-Apr-84 11.69 12.58 12.66 12.70 27-Apr-84 11.79 12.66 12.74 12.76 04-May-84 11.96 12.47 12.82 13.34 12.89 13.41 12.93 13.43 11-May-84 12.33 13.17 13.23 13.27 18-May-84 12.50 13.41 13.49 13.52 25-May-84 12.65 13.50 13.59 13.60 01-Jun-84 12.94 12.91 13.82 13.56 13.86 13.56 13.80 13.44 08-Jun-84 12.71 13.45 13.47 13.42 15-Jun-84 12.83 13.46 13.43 13.32 22-Jun-84 12.98 13.55 13.55 13.41 29-Jun-84 13.15 13.77 13.79 13.59 06-Jul-84 13.12 12.88 13.77 13.35 13.80 13.36 13.57 13.21 13-Jul-84 12.97 13.46 13.46 13.24 20-Jul-84 12.88 13.31 13.32 13.16 27-Jul-84 12.70 13.10 13.11 13.06 03-Aug-84 12.50 12.43 12.83 12.75 12.82 12.72 12.79 12.54 10-Aug-84 12.38 12.69 12.67 12.58 17-Aug-84 12.40 12.74 12.71 12.51 24-Aug-84 12.43 12.70 12.66 12.42 31-Aug-84 12.55 12.86 12.82 12.56 07-Sep-84 12.55 12.20 12.91 12.60 12.83 12.52 12.53 12.29 14-Sep-84 12.24 12.60 12.51 12.29 21-Sep-84 12.04 12.42 12.35 12.14 28-Sep-84 12.06 12.53 12.46 12.26 05-Oct-84 12.03 11.60 12.56 12.16 12.51 12.16 12.31 11.98 12-Oct-84 11.82 12.39 12.33 12.16 19-Oct-84 11.63 12.19 12.19 12.00 26-Oct-84 11.22 11.80 11.85 11.68 02-Nov-84 11.08 10.65 11.69 11.49 11.76 11.57 11.62 11.56 09-Nov-84 10.84 11.63 11.71 11.64 16-Nov-84 10.82 11.66 11.75 11.72 23-Nov-84 10.49 11.36 11.44 11.49 30-Nov-84 10.37 11.32 11.39 11.43 07-Dec-84 10.47 10.18 11.52 11.45 11.58 11.50 11.59 11.52 14-Dec-84 10.36 11.56 11.61 11.61 21-Dec-84 9.94 11.31 11.37 11.41 28-Dec-84 9.94 11.39 11.42 11.45 04-Jan-85 10.05 9.93 11.59 11.27 11.64 11.38 11.64 11.45 11-Jan-85 10.01 11.39 11.50 11.54 18-Jan-85 9.99 11.35 11.49 11.59 25-Jan-85 9.79 11.02 11.16 11.27 01-Feb-85 9.86 10.17 11.04 11.44 11.15 11.51 11.21 11.47 08-Feb-85 10.03 11.28 11.37 11.31 15-Feb-85 10.02 11.30 11.37 11.32 22-Feb-85 10.19 11.50 11.57 11.53 01-Mar-85 10.53 10.71 11.78 11.82 11.83 11.86 11.80 11.81 08-Mar-85 10.73 11.83 11.87 11.85 15-Mar-85 10.73 11.84 11.85 11.80 22-Mar-85 10.81 11.90 11.92 11.87 29-Mar-85 10.59 11.73 11.77 11.73 05-Apr-85 10.49 10.09 11.64 11.34 11.71 11.43 11.69 11.47 12-Apr-85 10.29 11.49 11.57 11.55 19-Apr-85 9.88 11.15 11.24 11.29 26-Apr-85 9.84 11.16 11.27 11.36 03-May-85 9.85 9.39 11.21 10.72 11.33 10.85 11.41 11.05 10-May-85 9.68 11.06 11.17 11.30 17-May-85 9.44 10.78 10.89 11.08 24-May-85 9.13 10.45 10.60 10.87 31-May-85 9.01 10.25 10.39 10.67 07-Jun-85 8.63 8.69 9.93 10.08 10.00 10.16 10.37 10.44 14-Jun-85 8.72 10.06 10.12 10.43 21-Jun-85 8.55 10.01 10.08 10.38 28-Jun-85 8.85 10.32 10.43 10.60 05-Jul-85 8.59 8.77 9.98 10.16 10.14 10.31 10.39 10.50 12-Jul-85 8.62 9.97 10.12 10.36 19-Jul-85 8.73 10.08 10.23 10.42 26-Jul-85 8.97 10.36 10.51 10.64 02-Aug-85 9.05 8.94 10.45 10.20 10.61 10.33 10.73 10.56 09-Aug-85 9.06 10.38 10.53 10.69 16-Aug-85 8.95 10.24 10.37 10.63 23-Aug-85 8.85 10.04 10.16 10.45 30-Aug-85 8.86 10.05 10.17 10.42 06-Sep-85 8.97 8.98 10.18 10.24 10.29 10.37 10.52 10.61 13-Sep-85 9.11 10.36 10.48 10.70 20-Sep-85 9.05 10.27 10.48 10.62 27-Sep-85 8.79 10.14 10.30 10.58 04-Oct-85 8.85 8.86 10.16 10.11 10.32 10.24 10.58 10.50 11-Oct-85 8.96 10.26 10.37 10.63 18-Oct-85 8.87 10.11 10.23 10.50 25-Oct-85 8.85 10.03 10.16 10.42 01-Nov-85 8.76 8.58 9.91 9.62 10.07 9.78 10.34 10.06 08-Nov-85 8.66 9.74 9.92 10.18 15-Nov-85 8.60 9.63 9.82 10.10 22-Nov-85 8.52 9.53 9.68 9.98 29-Nov-85 8.51 9.52 9.65 9.93 06-Dec-85 8.50 8.15 9.52 9.11 9.65 9.26 9.90 9.54 13-Dec-85 8.12 9.15 9.31 9.61 20-Dec-85 8.00 8.94 9.09 9.38 27-Dec-85 8.00 8.91 9.05 9.31 03-Jan-86 8.01 8.14 8.90 9.03 9.03 9.19 9.28 9.40 10-Jan-86 8.15 9.01 9.16 9.37 17-Jan-86 8.27 9.18 9.35 9.49 24-Jan-86 8.17 9.07 9.24 9.43 31-Jan-86 8.03 8.90 9.09 9.34 07-Feb-86 8.01 7.97 8.85 8.58 9.02 8.70 9.27 8.93 14-Feb-86 8.05 8.73 8.87 9.11 21-Feb-86 8.00 8.52 8.62 8.86 28-Feb-86 7.81 8.20 8.29 8.47 07-Mar-86 7.43 7.21 7.90 7.78 8.01 7.78 8.17 7.96 14-Mar-86 7.17 7.61 7.72 7.95 21-Mar-86 7.20 7.71 7.80 7.98 28-Mar-86 7.10 7.52 7.63 7.81 04-Apr-86 6.90 6.70 7.27 7.16 7.39 7.30 7.47 7.39 11-Apr-86 6.67 7.15 7.31 7.39 18-Apr-86 6.47 6.92 7.10 7.22 25-Apr-86 6.70 7.24 7.35 7.42 02-May-86 6.85 7.07 7.31 7.65 7.44 7.71 7.52 7.52 09-May-86 6.82 7.34 7.44 7.45 16-May-86 7.09 7.71 7.75 7.48 23-May-86 7.22 7.87 7.90 7.56 30-May-86 7.26 7.86 7.88 7.57 06-Jun-86 7.49 7.19 8.16 7.75 8.23 7.80 7.84 7.57 13-Jun-86 7.32 7.93 7.98 7.70 20-Jun-86 7.07 7.59 7.62 7.46 27-Jun-86 6.93 7.42 7.45 7.36 04-Jul-86 6.78 6.67 7.29 7.22 7.35 7.30 7.21 7.27 11-Jul-86 6.72 7.27 7.33 7.18 18-Jul-86 6.58 7.11 7.19 7.16 25-Jul-86 6.63 7.17 7.26 7.32 01-Aug-86 6.65 6.33 7.29 7.01 7.41 7.17 7.50 7.33 08-Aug-86 6.58 7.26 7.39 7.51 15-Aug-86 6.42 7.06 7.19 7.31 22-Aug-86 6.21 6.88 7.04 7.22 29-Aug-86 6.05 6.81 7.02 7.24 05-Sep-86 6.12 6.35 6.99 7.28 7.18 7.45 7.40 7.62 12-Sep-86 6.35 7.30 7.46 7.63 19-Sep-86 6.43 7.38 7.56 7.71 26-Sep-86 6.42 7.35 7.52 7.69 03-Oct-86 6.35 6.28 7.28 7.24 7.43 7.43 7.60 7.70 10-Oct-86 6.14 7.13 7.31 7.59 17-Oct-86 6.30 7.33 7.53 7.81 24-Oct-86 6.37 7.35 7.52 7.80 31-Oct-86 6.30 7.17 7.39 7.68 07-Nov-86 6.27 6.28 7.12 7.08 7.31 7.25 7.58 7.52 14-Nov-86 6.37 7.18 7.34 7.59 21-Nov-86 6.26 7.04 7.21 7.47 28-Nov-86 6.21 6.99 7.14 7.42 05-Dec-86 6.21 6.27 6.93 6.97 7.09 7.11 7.35 7.37 12-Dec-86 6.22 6.93 7.09 7.35 19-Dec-86 6.30 6.98 7.12 7.39 26-Dec-86 6.30 6.96 7.08 7.35 02-Jan-87 6.36 6.23 7.07 6.92 7.20 7.08 7.45 7.39 09-Jan-87 6.22 6.91 7.05 7.33 16-Jan-87 6.22 6.92 7.07 7.37 23-Jan-87 6.18 6.86 7.03 7.33 30-Jan-87 6.26 6.96 7.15 7.47 06-Feb-87 6.37 6.40 7.03 7.06 7.22 7.25 7.50 7.54 13-Feb-87 6.48 7.13 7.31 7.59 20-Feb-87 6.39 7.09 7.28 7.58 27-Feb-87 6.35 7.01 7.20 7.50 06-Mar-87 6.36 6.42 6.99 7.06 7.18 7.25 7.47 7.55 13-Mar-87 6.43 7.04 7.22 7.52 20-Mar-87 6.40 7.03 7.21 7.52 27-Mar-87 6.45 7.08 7.27 7.59 03-Apr-87 6.61 6.42 7.36 7.83 7.56 8.02 7.87 8.25 10-Apr-87 6.69 7.51 7.71 7.98 17-Apr-87 7.05 7.92 8.12 8.30 24-Apr-87 7.24 8.10 8.30 8.48 01-May-87 7.44 7.76 8.16 8.47 8.32 8.61 8.54 8.78 08-May-87 7.60 8.33 8.49 8.67 15-May-87 7.73 8.47 8.61 8.77 22-May-87 8.00 8.71 8.84 9.00 29-May-87 7.78 8.42 8.55 8.71 05-Jun-87 7.74 7.57 8.44 8.27 8.58 8.40 8.75 8.57 12-Jun-87 7.65 8.38 8.50 8.66 19-Jun-87 7.45 8.14 8.27 8.46 26-Jun-87 7.49 8.14 8.28 8.44 02-Jul-87 7.45 7.44 8.20 8.27 8.35 8.45 8.48 8.64 10-Jul-87 7.36 8.14 8.32 8.45 17-Jul-87 7.35 8.19 8.38 8.56 24-Jul-87 7.46 8.33 8.52 8.75 31-Jul-87 7.62 8.45 8.62 8.86 07-Aug-87 7.69 7.75 8.56 8.59 8.75 8.76 8.98 8.97 14-Aug-87 7.67 8.51 8.68 8.90 21-Aug-87 7.73 8.55 8.71 8.92 28-Aug-87 7.89 8.67 8.85 9.04 04-Sep-87 8.11 8.34 9.00 9.26 9.18 9.42 9.36 9.59 11-Sep-87 8.39 9.29 9.43 9.60 18-Sep-87 8.31 9.27 9.43 9.61 25-Sep-87 8.37 9.29 9.45 9.61 02-Oct-87 8.58 8.40 9.48 9.37 9.61 9.52 9.75 9.61 09-Oct-87 8.83 9.65 9.78 9.84 16-Oct-87 9.13 9.97 10.11 10.13 23-Oct-87 8.09 9.23 9.36 9.49 30-Oct-87 7.60 8.71 8.90 9.05 06-Nov-87 7.62 7.69 8.66 8.69 8.84 8.86 8.95 8.95 13-Nov-87 7.67 8.64 8.80 8.89 20-Nov-87 7.72 8.66 8.83 8.92 27-Nov-87 7.76 8.77 8.95 9.03 04-Dec-87 7.75 7.86 8.80 8.82 8.98 8.99 9.12 9.12 11-Dec-87 7.93 8.96 9.14 9.31 18-Dec-87 7.91 8.88 9.05 9.18 25-Dec-87 7.69 8.72 8.87 8.97 01-Jan-88 7.82 7.63 8.69 8.48 8.85 8.67 8.95 8.83 08-Jan-88 7.81 8.69 8.84 8.98 15-Jan-88 7.75 8.65 8.84 9.01 22-Jan-88 7.57 8.37 8.57 8.74 29-Jan-88 7.39 8.19 8.39 8.56 05-Feb-88 7.20 7.18 8.02 8.02 8.20 8.21 8.39 8.43 12-Feb-88 7.14 7.99 8.18 8.41 19-Feb-88 7.24 8.10 8.29 8.52 26-Feb-88 7.17 8.00 8.20 8.43 04-Mar-88 7.12 7.27 8.11 8.19 8.17 8.37 8.41 8.63 11-Mar-88 7.23 8.15 8.32 8.57 18-Mar-88 7.21 8.31 8.33 8.60 25-Mar-88 7.38 8.40 8.48 8.74 01-Apr-88 7.42 7.59 8.40 8.52 8.57 8.72 8.82 8.95 08-Apr-88 7.55 8.47 8.62 8.84 15-Apr-88 7.52 8.44 8.63 8.85 22-Apr-88 7.62 8.59 8.81 9.05 29-Apr-88 7.67 8.60 8.82 9.07 06-May-88 7.80 8.00 8.71 8.89 8.93 9.09 9.14 9.23 13-May-88 7.95 8.84 9.04 9.18 20-May-88 8.02 8.95 9.14 9.26 27-May-88 8.18 9.04 9.22 9.33 03-Jun-88 8.12 8.03 8.91 8.78 9.07 8.92 9.16 9.00 10-Jun-88 8.00 8.80 8.96 9.06 17-Jun-88 7.94 8.70 8.84 8.95 24-Jun-88 8.08 8.80 8.94 8.98 01-Jul-88 8.04 8.28 8.73 8.91 8.86 9.06 8.90 9.14 08-Jul-88 8.12 8.80 8.93 8.99 15-Jul-88 8.29 8.94 9.08 9.14 22-Jul-88 8.34 8.97 9.13 9.23 29-Jul-88 8.39 8.97 9.12 9.22 05-Aug-88 8.36 8.63 8.90 9.13 9.04 9.26 9.11 9.32 12-Aug-88 8.61 9.13 9.27 9.30 19-Aug-88 8.73 9.22 9.36 9.42 26-Aug-88 8.75 9.24 9.36 9.42 02-Sep-88 8.66 8.46 9.10 8.87 9.21 8.98 9.27 9.06 09-Sep-88 8.45 8.86 8.98 9.03 16-Sep-88 8.40 8.81 8.93 9.00 23-Sep-88 8.44 8.85 8.96 9.05 30-Sep-88 8.52 8.90 8.99 9.08 07-Oct-88 8.39 8.35 8.75 8.69 8.83 8.80 8.94 8.89 14-Oct-88 8.33 8.71 8.81 8.91 21-Oct-88 8.36 8.69 8.80 8.88 28-Oct-88 8.34 8.66 8.77 8.88 04-Nov-88 8.29 8.67 8.59 8.89 8.72 8.96 8.80 9.02 11-Nov-88 8.55 8.81 8.91 8.98 18-Nov-88 8.72 8.92 8.99 9.08 25-Nov-88 8.89 9.05 9.10 9.13 02-Dec-88 8.96 9.09 9.08 9.13 9.11 9.11 9.11 9.01 09-Dec-88 8.99 9.04 9.03 9.00 16-Dec-88 9.16 9.19 9.16 9.02 23-Dec-88 9.09 9.12 9.08 8.97 30-Dec-88 9.18 9.22 9.17 9.00 06-Jan-89 9.28 9.18 9.31 9.14 9.24 9.09 9.08 8.93 13-Jan-89 9.23 9.25 9.18 9.00 20-Jan-89 9.13 9.07 9.02 8.87 27-Jan-89 9.10 9.02 8.97 8.81 03-Feb-89 9.14 9.37 9.04 9.23 9.00 9.17 8.83 9.01 10-Feb-89 9.26 9.11 9.05 8.90 17-Feb-89 9.39 9.28 9.21 9.07 24-Feb-89 9.54 9.38 9.31 9.13 03-Mar-89 9.55 9.68 9.39 9.43 9.33 9.36 9.15 9.17 10-Mar-89 9.51 9.32 9.27 9.09 17-Mar-89 9.67 9.42 9.35 9.17 24-Mar-89 9.86 9.58 9.49 9.27 31-Mar-89 9.81 9.47 9.37 9.17 07-Apr-89 9.52 9.45 9.29 9.24 9.20 9.18 9.05 9.03 14-Apr-89 9.56 9.36 9.27 9.10 21-Apr-89 9.39 9.19 9.14 9.00 28-Apr-89 9.33 9.13 9.09 8.95 05-May-89 9.22 9.02 9.07 8.88 9.07 8.86 8.97 8.83 12-May-89 9.11 9.06 9.05 9.02 19-May-89 8.95 8.81 8.79 8.80 26-May-89 8.86 8.67 8.63 8.63 02-Jun-89 8.76 8.41 8.61 8.31 8.57 8.28 8.58 8.27 09-Jun-89 8.38 8.31 8.28 8.33 16-Jun-89 8.41 8.30 8.26 8.22 23-Jun-89 8.50 8.38 8.34 8.30 30-Jun-89 8.23 8.16 8.14 8.10 07-Jul-89 7.95 7.82 8.07 7.94 8.08 8.02 8.09 8.08 14-Jul-89 7.79 7.92 8.01 8.05 21-Jul-89 7.88 7.98 8.07 8.14 28-Jul-89 7.75 7.86 7.97 8.08 04-Aug-89 7.61 8.14 7.72 8.11 7.82 8.11 7.91 8.12 11-Aug-89 8.01 8.00 8.04 8.10 18-Aug-89 8.26 8.20 8.18 8.17 25-Aug-89 8.36 8.27 8.23 8.19 01-Sep-89 8.41 8.28 7.94 8.23 8.02 8.19 8.20 8.15 08-Sep-89 8.34 8.21 8.17 8.11 15-Sep-89 8.15 8.14 8.13 8.10 22-Sep-89 8.24 8.18 8.15 8.14 29-Sep-89 8.41 8.37 8.31 8.26 06-Oct-89 8.33 7.98 8.25 8.03 8.18 8.01 8.13 8.00 13-Oct-89 7.96 8.02 8.00 7.99 20-Oct-89 7.86 7.98 7.99 7.99 27-Oct-89 7.81 7.90 7.89 7.91 03-Nov-89 7.88 7.80 7.91 7.86 7.92 7.87 7.91 7.90 10-Nov-89 7.86 7.89 7.92 7.91 17-Nov-89 7.75 7.84 7.86 7.89 24-Nov-89 7.71 7.81 7.83 7.90 01-Dec-89 7.76 7.78 7.83 7.85 7.85 7.84 7.91 7.90 08-Dec-89 7.77 7.83 7.84 7.90 15-Dec-89 7.78 7.83 7.82 7.88 22-Dec-89 7.71 7.81 7.78 7.85 29-Dec-89 7.89 7.99 7.93 7.98
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