,Instrument,"U.S. government securities/Treasury constant maturities/Nominal" ,Maturity,"1-month" ,Frequency,"Monthly" ,Description,"Market yield on U.S. Treasury securities at 1-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 , TCMNOMM1 07/2001, 3.67 08/2001, 3.53 09/2001, 2.68 10/2001, 2.27 11/2001, 1.99 12/2001, 1.72 01/2002, 1.68 02/2002, 1.74 03/2002, 1.79 04/2002, 1.72 05/2002, 1.74 06/2002, 1.72 07/2002, 1.72 08/2002, 1.68 09/2002, 1.67 10/2002, 1.62 11/2002, 1.26 12/2002, 1.20 01/2003, 1.17 02/2003, 1.20 03/2003, 1.18 04/2003, 1.16 05/2003, 1.08 06/2003, 0.97 07/2003, 0.90 08/2003, 0.95 09/2003, 0.91 10/2003, 0.91 11/2003, 0.94 12/2003, 0.89 01/2004, 0.85 02/2004, 0.92 03/2004, 0.96 04/2004, 0.91 05/2004, 0.91 06/2004, 1.05 07/2004, 1.19 08/2004, 1.37 09/2004, 1.55 10/2004, 1.63 11/2004, 1.92 12/2004, 1.96 01/2005, 2.05 02/2005, 2.36 03/2005, 2.65 04/2005, 2.64 05/2005, 2.65 06/2005, 2.83 07/2005, 3.10 08/2005, 3.34 09/2005, 3.23 10/2005, 3.51 11/2005, 3.91 12/2005, 3.69 01/2006, 4.12 02/2006, 4.38 03/2006, 4.55 04/2006, 4.61 05/2006, 4.70 06/2006, 4.71 07/2006, 4.90 08/2006, 5.16 09/2006, 4.77 10/2006, 4.97 11/2006, 5.21 12/2006, 4.87 01/2007, 4.94 02/2007, 5.18 03/2007, 5.21 04/2007, 4.99 05/2007, 4.82 06/2007, 4.52 07/2007, 4.82 08/2007, 4.20 09/2007, 3.78 10/2007, 3.81 11/2007, 3.68 12/2007, 2.86 01/2008, 2.74 02/2008, 2.27 03/2008, 1.35 04/2008, 1.07 05/2008, 1.76 06/2008, 1.72 07/2008, 1.60 08/2008, 1.68 09/2008, 0.89 10/2008, 0.29 11/2008, 0.09 12/2008, 0.03 01/2009, 0.05 02/2009, 0.22 03/2009, 0.10 04/2009, 0.10 05/2009, 0.14 06/2009, 0.10 07/2009, 0.15 08/2009, 0.12 09/2009, 0.06 10/2009, 0.04 11/2009, 0.05 12/2009, 0.03 01/2010, 0.02