The H.15 historical data is available through the Data Download Program at: http://www.federalreserve.gov/datadownload/Build.aspx?rel=H15 This series, H15/H15/RIMLPBAAR_N.WF, is available at: http://www.federalreserve.gov/datadownload/Output.aspx?rel=H15&series=38a156dc43fec75e2fd939b3e6fe9eff&lastObs=&from=&to=&filetype=csv&label=include&layout=seriescolumn