As of the release of January 5, 2004, the H.15 includes four daily yields, constructed by the Treasury Department, on Treasury inflation-protected securities (TIPS): yields at constant maturities of 5, 7, and 10 years and an average of yields on all TIPS having remaining maturities of more than 10 years. Historical data for these series are available back to January 2, 2003. Further information may be found at www.treas.gov/offices/domestic-finance/debt-management/interest-rate/index.html.