,Instrument,"U.S. government securities/Treasury constant maturities/Inflation indexed" ,Maturity,"5-year" ,Frequency,"Monthly" ,Description,"Market yield on U.S. Treasury securities at 5-year constant maturity, quoted on investment basis, inflation-indexed" ,Note,"Yields on Treasury inflation protected securities (TIPS) adjusted to constant maturities. Source: U.S. Treasury. Additional information on both nominal and inflation-indexed yields may be found at www.treas.gov/offices/domestic-finance/debt-management/interest-rate/index.html." DATE , TCMIIY5 01/2003, 1.65 02/2003, 1.24 03/2003, 1.09 04/2003, 1.36 05/2003, 1.18 06/2003, 0.91 07/2003, 1.30 08/2003, 1.48 09/2003, 1.29 10/2003, 1.21 11/2003, 1.27 12/2003, 1.23 01/2004, 1.09 02/2004, 0.86 03/2004, 0.52 04/2004, 1.02 05/2004, 1.34 06/2004, 1.41 07/2004, 1.29 08/2004, 1.12 09/2004, 1.10 10/2004, 0.97 11/2004, 0.90 12/2004, 0.92 01/2005, 1.13 02/2005, 1.08 03/2005, 1.29 04/2005, 1.23 05/2005, 1.28 06/2005, 1.39 07/2005, 1.67 08/2005, 1.71 09/2005, 1.40 10/2005, 1.70 11/2005, 1.97 12/2005, 2.09 01/2006, 1.93 02/2006, 1.98 03/2006, 2.09 04/2006, 2.26 05/2006, 2.30 06/2006, 2.45 07/2006, 2.46 08/2006, 2.27 09/2006, 2.38 10/2006, 2.51 11/2006, 2.41 12/2006, 2.28 01/2007, 2.47 02/2007, 2.34 03/2007, 2.04 04/2007, 2.12 05/2007, 2.29 06/2007, 2.65 07/2007, 2.60 08/2007, 2.39 09/2007, 2.14 10/2007, 2.01 11/2007, 1.35 12/2007, 1.27 01/2008, 0.86 02/2008, 0.65 03/2008, 0.23 04/2008, 0.62 05/2008, 0.79 06/2008, 0.97 07/2008, 0.84 08/2008, 1.15 09/2008, 1.55 10/2008, 2.75 11/2008, 3.69 12/2008, 1.76