14 Jan 2010 29-Year 10-Month, reopening 4.640 2.68 13.000 13.505 40.7 4.9 54.4 3.3 10 Dec 2009 29-Year 11-Month, reopening 4.520 2.45 13.000 13.070 40.2 6.9 52.9 10.0 12 Nov 2009 30-Year 4.469 2.26 16.000 17.989 44.0 12.1 43.9 8.1 8 Oct 2009 29-Year 10-Month, reopening 4.009 2.37 12.000 12.094 34.5 8.5 57.0 7.9 10 Sep 2009 29-Year 11-Month, reopening 4.238 2.92 12.000 12.025 46.5 2.0 51.5 2.8 13 Aug 2009 30-Year 4.541 2.54 15.000 17.317 48.1 8.8 43.1 6.1 9 Jul 2009 29-Year 10-Month, reopening 4.303 2.36 11.000 11.186 50.2 2.5 47.3 7.3 11 Jun 2009 29-Year 11-Month, reopening 4.720 2.68 11.000 11.116 49.0 5.9 45.1 3.6 7 May 2009 30-Year 4.288 2.14 14.000 16.477 33.0 4.1 62.9 10.3 12 Mar 2009 29-Year 11-Month, reopening 3.640 2.40 11.000 11.196 46.2 9.8 44.0 4.3 12 Feb 2009 30-Year 3.540 2.02 14.000 14.713 33.9 16.4 49.6 12.5 8 May 2008 29-Year 9-Month, reopening 4.599 2.69 6.000 9.231 12.7 1.1 86.3 3.5 7 Feb 2008 30-Year 4.449 1.82 9.000 13.295 – – – 5.4 10 May 2007 29-Year 9-Month, reopening 4.838 1.97 5.000 6.764 – – – 2.4 8 Feb 2007 30-Year 4.812 2.46 9.000 9.826 – – – 2.2 10 Aug 2006 29-Year 6-Month, reopening 5.080 1.77 10.000 11.557 – – – 4.1 9 Feb 2006 30-Year 4.530 2.05 14.000 14.841 – – – 4.0 9 Aug 2001 29-Year 6-Month, reopening 5.520 2.16 5.000 5.540 – – – 4.8 8 Feb 2001 30-Year 5.460 1.95 10.000 10.887 – – – 1.2 12 Aug 1999 30-Year 6.144 – 10.000 11.176 – – – 3.1 11 Feb 1999 30-Year 5.298 – 10.000 11.349 – – – 1.9 5 Nov 1998 30-Year 5.300 – 10.000 10.946 – – – 6.0 13 Aug 1998 30-Year 5.598 – 10.000 11.775 – – – 0.8 12 Feb 1998 29-Year 9-Month, reopening 5.830 – 10.000 11.332 – – – 0.8 6 Nov 1997 30-Year 6.207 – 10.000 11.183 – – – 0.6 7 Aug 1997 30-Year 6.452 – 10.000 10.733 – – – 0.7 13 Feb 1997 30-Year 6.660 – 10.000 10.454 – – – 2.0 7 Nov 1996 30-Year 6.625 – 10.000 11.470 – – – 0.6 8 Aug 1996 30-Year 6.778 – 10.000 10.901 – – – 1.0 8 Feb 1996 30-Year 6.130 – 12.000 12.901 – – – 1.1 10 Aug 1995 30-Year 6.909 – 11.500 12.600 – – – 0.3 9 Feb 1995 30-Year 7.660 – 11.000 11.717 – – – 1.0 10 Feb 1994 29-Year 6-Month, reopening 6.430 – 11.000 11.376 – – – 0.0 12 Aug 1993 30-Year 6.350 – 11.000 11.527 – – – 2.0 13 May 1993 29-Year 9-Month, reopening 6.980 – 8.250 8.556 – – – 1.0 11 Feb 1993 30-Year 7.220 – 9.250 9.810 – – – 0.0 12 Nov 1992 30-Year 7.660 – 10.250 10.698 – – – 0.0 13 Aug 1992 30-Year 7.290 – 10.000 10.357 – – – 0.0 7 May 1992 29-Year 6-Month, reopening 8.000 – 10.000 10.494 – – – 0.0 13 Feb 1992 29-Year 9-Month, reopening 7.930 – 10.000 10.155 – – – 2.0 7 Nov 1991 30-Year 8.010 – 12.000 12.159 – – – 1.0 8 Aug 1991 30-Year 8.190 – 12.000 12.158 – – – 2.0 9 May 1991 30-Year 8.240 – 11.750 11.953 – – – 3.0 7 Feb 1991 30-Year 7.980 – 11.000 11.112 – – – 0.0 8 Nov 1990 29-Year 9-Month, reopening 8.720 – 10.750 10.954 – – – 1.0 9 Aug 1990 30-Year 8.880 – 10.250 10.456 – – – 1.0 10 May 1990 30-Year 8.850 – 10.000 10.158 – – – 1.0 8 Feb 1990 30-Year 8.530 – 10.000 10.227 – – – 3.0 14 Nov 1989 29-Year 9-Month, reopening 7.870 – 10.000 10.261 – – – 0.0 10 Aug 1989 30-Year 8.150 – 9.750 9.952 – – – 1.0 11 May 1989 29-Year 9-Month, reopening 9.120 – 9.500 9.635 – – – 1.0 9 Feb 1989 30-Year 8.950 – 9.500 9.608 – – – 4.0 17 Nov 1988 30-Year 9.110 – 9.000 9.026 – – – 1.0 12 May 1988 30-Year 9.180 – 8.500 8.705 – – – 1.0 4 Feb 1988 29-Year 3-Month, reopening 8.530 – 8.750 8.839 – – – 2.0 5 Nov 1987 29-Year 9-Month, reopening 8.790 – 4.750 4.928 – – – 0.0 13 Aug 1987 30-Year 8.890 – 9.000 9.085 – – – 0.0 7 May 1987 30-Year 8.770 – 9.250 9.350 – – – 1.0 5 Feb 1987 29-Year 9-Month, reopening 7.500 – 9.250 9.498 – – – 1.0 6 Nov 1986 30-Year 7.560 – 9.250 9.365 – – – 2.0 7 Aug 1986 29-Year 9-Month, reopening 7.650 – 9.000 9.505 – – – 2.0 8 May 1986 30-Year 7.400 – 9.000 9.315 – – – 3.0 6 Feb 1986 30-Year 9.290 – 7.000 7.254 – – – 1.0 22 Nov 1985 30-Year 9.950 – 6.750 6.892 – – – 2.0 8 Aug 1985 30-Year 10.680 – 6.500 7.151 – – – 2.0 9 May 1985 29-Year 9-Month, reopening 11.390 – 6.000 6.425 – – – 1.0 7 Feb 1985 30-Year 11.310 – 5.750 6.244 – – – 4.0 8 Nov 1984 30-Year 11.870 – 5.250 6.003 – – – 4.0 9 Aug 1984 30-Year 12.520 – 4.750 5.130 – – – 0.0 10 May 1984 30-Year 13.340 – 4.750 5.008 – – – 2.0 9 Feb 1984 29-Year 6-Month, reopening 11.880 – 4.500 5.248 – – – 0.0 10 Nov 1983 29-Year 9-Month, reopening 11.820 – 4.250 4.688 – – – 2.0 4 Aug 1983 30-Year 12.100 – 4.000 4.920 – – – 2.0 5 May 1983 29-Year 6-Month, reopening 10.320 – 3.750 3.927 – – – 3.0 3 Feb 1983 29-Year 9-Month, reopening 11.050 – 3.500 3.941 – – – 4.0 9 Nov 1982 30-Year 10.480 – 3.000 3.161 – – – 2.0 4 Feb 1982 29-Year 9-Month, reopening 14.470 – 2.500 2.575 – – – -9.0 5 Nov 1981 30-Year 14.240 – 2.000 2.323 – – – 14.0 6 Aug 1981 29-Year 9-Month, reopening 14.000 – 2.000 2.305 – – – -6.0 7 May 1981 30-Year 14.010 – 2.000 2.301 – – – 2.0 5 Feb 1981 29-Year 9-Month, reopening 12.630 – 2.250 2.575 – – – -5.0 7 Nov 1980 30-Year 12.870 – 2.000 2.159 – – – 6.0 7 Aug 1980 29-Year 3-Month, reopening 10.660 – 1.500 1.884 – – – -5.0 8 May 1980 30-Year 10.180 – 2.000 2.976 – – – 6.0 7 Feb 1980 30-Year 11.870 – 2.000 2.645 – – – 3.0 1 Nov 1979 30-Year 10.480 – 2.000 2.315 – – – 4.0