,Instrument,"U.S. government securities/Treasury constant maturities/Nominal" ,Maturity,"6-month" ,Frequency,"Monthly" ,Description,"Market yield on U.S. Treasury securities at 6-month constant maturity, quoted on investment basis" ,Note,"Yields on actively traded non-inflation-indexed issues adjusted to constant maturities. The 30-year Treasury constant maturity series was discontinued on February 18, 2002, and reintroduced on February 9, 2006. From February 18, 2002, to February 9, 2006, the U.S. Treasury published a factor for adjusting the daily nominal 20-year constant maturity in order to estimate a 30-year nominal rate. The historical adjustment factor can be found at www.treas.gov/offices/domestic-finance/debt-management/interest-rate/ltcompositeindex_historical.shtml. Source: U.S. Treasury." DATE , TCMNOMM6 01/1982, 13.90 02/1982, 14.81 03/1982, 13.83 04/1982, 13.87 05/1982, 13.13 06/1982, 13.76 07/1982, 12.80 08/1982, 10.51 09/1982, 9.83 10/1982, 8.63 11/1982, 8.80 12/1982, 8.59 01/1983, 8.33 02/1983, 8.65 03/1983, 8.86 04/1983, 8.78 05/1983, 8.70 06/1983, 9.44 07/1983, 9.85 08/1983, 10.16 09/1983, 9.73 10/1983, 9.39 11/1983, 9.48 12/1983, 9.76 01/1984, 9.56 02/1984, 9.77 03/1984, 10.27 04/1984, 10.47 05/1984, 11.02 06/1984, 11.24 07/1984, 11.27 08/1984, 11.37 09/1984, 11.19 10/1984, 10.52 11/1984, 9.34 12/1984, 8.76 01/1985, 8.45 02/1985, 8.87 03/1985, 9.45 04/1985, 8.71 05/1985, 8.07 06/1985, 7.46 07/1985, 7.57 08/1985, 7.71 09/1985, 7.64 10/1985, 7.71 11/1985, 7.68 12/1985, 7.50 01/1986, 7.53 02/1986, 7.47 03/1986, 6.89 04/1986, 6.36 05/1986, 6.47 06/1986, 6.56 07/1986, 6.12 08/1986, 5.79 09/1986, 5.57 10/1986, 5.48 11/1986, 5.64 12/1986, 5.78 01/1987, 5.67 02/1987, 5.83 03/1987, 5.86 04/1987, 6.19 05/1987, 6.35 06/1987, 6.28 07/1987, 6.05 08/1987, 6.46 09/1987, 6.99 10/1987, 7.04 11/1987, 6.50 12/1987, 6.68 01/1988, 6.56 02/1988, 6.21 03/1988, 6.18 04/1988, 6.50 05/1988, 6.89 06/1988, 7.04 07/1988, 7.35 08/1988, 7.79 09/1988, 7.82 10/1988, 7.90 11/1988, 8.30 12/1988, 8.70 01/1989, 8.85 02/1989, 9.05 03/1989, 9.39 04/1989, 9.17 05/1989, 8.91 06/1989, 8.38 07/1989, 8.01 08/1989, 8.17 09/1989, 8.16 10/1989, 8.03 11/1989, 7.89 12/1989, 7.81 01/1990, 7.96 02/1990, 8.12 03/1990, 8.28 04/1990, 8.27 05/1990, 8.19 06/1990, 8.05 07/1990, 7.92 08/1990, 7.77 09/1990, 7.70 10/1990, 7.53 11/1990, 7.39 12/1990, 7.03 01/1991, 6.58 02/1991, 6.19 03/1991, 6.20 04/1991, 5.98 05/1991, 5.87 06/1991, 6.02 07/1991, 5.97 08/1991, 5.63 09/1991, 5.48 10/1991, 5.26 11/1991, 4.80 12/1991, 4.26 01/1992, 4.01 02/1992, 4.08 03/1992, 4.33 04/1992, 4.00 05/1992, 3.88 06/1992, 3.90 07/1992, 3.38 08/1992, 3.31 09/1992, 3.04 10/1992, 3.13 11/1992, 3.44 12/1992, 3.47 01/1993, 3.24 02/1993, 3.16 03/1993, 3.15 04/1993, 3.06 05/1993, 3.17 06/1993, 3.29 07/1993, 3.26 08/1993, 3.24 09/1993, 3.15 10/1993, 3.22 11/1993, 3.36 12/1993, 3.34 01/1994, 3.25 02/1994, 3.53 03/1994, 3.92 04/1994, 4.25 05/1994, 4.79 06/1994, 4.72 07/1994, 4.95 08/1994, 5.08 09/1994, 5.24 10/1994, 5.62 11/1994, 5.98 12/1994, 6.50 01/1995, 6.51 02/1995, 6.31 03/1995, 6.17 04/1995, 6.05 05/1995, 5.93 06/1995, 5.66 07/1995, 5.62 08/1995, 5.65 09/1995, 5.54 10/1995, 5.56 11/1995, 5.51 12/1995, 5.35 01/1996, 5.13 02/1996, 4.97 03/1996, 5.16 04/1996, 5.27 05/1996, 5.33 06/1996, 5.46 07/1996, 5.52 08/1996, 5.34 09/1996, 5.45 10/1996, 5.32 11/1996, 5.27 12/1996, 5.24 01/1997, 5.31 02/1997, 5.27 03/1997, 5.48 04/1997, 5.60 05/1997, 5.53 06/1997, 5.34 07/1997, 5.33 08/1997, 5.40 09/1997, 5.30 10/1997, 5.30 11/1997, 5.38 12/1997, 5.45 01/1998, 5.23 02/1998, 5.27 03/1998, 5.25 04/1998, 5.26 05/1998, 5.36 06/1998, 5.32 07/1998, 5.23 08/1998, 5.15 09/1998, 4.81 10/1998, 4.20 11/1998, 4.59 12/1998, 4.57 01/1999, 4.49 02/1999, 4.61 03/1999, 4.65 04/1999, 4.54 05/1999, 4.75 06/1999, 5.03 07/1999, 4.75 08/1999, 5.09 09/1999, 5.08 10/1999, 5.20 11/1999, 5.43 12/1999, 5.68 01/2000, 5.76 02/2000, 6.00 03/2000, 6.11 04/2000, 6.07 05/2000, 6.39 06/2000, 6.24 07/2000, 6.27 08/2000, 6.35 09/2000, 6.25 10/2000, 6.32 11/2000, 6.34 12/2000, 5.92 01/2001, 5.15 02/2001, 4.89 03/2001, 4.44 04/2001, 3.99 05/2001, 3.74 06/2001, 3.56 07/2001, 3.56 08/2001, 3.39 09/2001, 2.71 10/2001, 2.17 11/2001, 1.92 12/2001, 1.82 01/2002, 1.77 02/2002, 1.86 03/2002, 2.06 04/2002, 1.98 05/2002, 1.91 06/2002, 1.83 07/2002, 1.74 08/2002, 1.64 09/2002, 1.64 10/2002, 1.59 11/2002, 1.30 12/2002, 1.27 01/2003, 1.22 02/2003, 1.20 03/2003, 1.16 04/2003, 1.17 05/2003, 1.11 06/2003, 0.94 07/2003, 0.97 08/2003, 1.05 09/2003, 1.03 10/2003, 1.02 11/2003, 1.04 12/2003, 1.01 01/2004, 0.99 02/2004, 1.01 03/2004, 1.01 04/2004, 1.11 05/2004, 1.33 06/2004, 1.64 07/2004, 1.70 08/2004, 1.76 09/2004, 1.91 10/2004, 2.05 11/2004, 2.32 12/2004, 2.50 01/2005, 2.68 02/2005, 2.85 03/2005, 3.09 04/2005, 3.14 05/2005, 3.17 06/2005, 3.22 07/2005, 3.53 08/2005, 3.78 09/2005, 3.79 10/2005, 4.13 11/2005, 4.30 12/2005, 4.33 01/2006, 4.47 02/2006, 4.69 03/2006, 4.79 04/2006, 4.90 05/2006, 5.01 06/2006, 5.17 07/2006, 5.27 08/2006, 5.17 09/2006, 5.08 10/2006, 5.12 11/2006, 5.15 12/2006, 5.07 01/2007, 5.15 02/2007, 5.16 03/2007, 5.10 04/2007, 5.07 05/2007, 4.98 06/2007, 4.95 07/2007, 5.04 08/2007, 4.55 09/2007, 4.20 10/2007, 4.16 11/2007, 3.58 12/2007, 3.34 01/2008, 2.84 02/2008, 2.10 03/2008, 1.51 04/2008, 1.58 05/2008, 1.86 06/2008, 2.19 07/2008, 1.98 08/2008, 1.97 09/2008, 1.64 10/2008, 1.23 11/2008, 0.74 12/2008, 0.26 01/2009, 0.30 02/2009, 0.46 03/2009, 0.43 04/2009, 0.35 05/2009, 0.30 06/2009, 0.31 07/2009, 0.28 08/2009, 0.27 09/2009, 0.21 10/2009, 0.16