NOTE: THIS DATA FILE WILL CHANGE! To improve accessibility of data for all users, we will convert this file from a text format to an html table by the end of June 2024. Title: 4-Week Treasury Bill Secondary Market Rate, Discount Basis Series ID: RIFSGFSW04NA Source: Board of Governors of the Federal Reserve System (US) Release: H.15 Selected Interest Rates Seasonal Adjustment: Not Seasonally Adjusted Frequency: Annual Units: Percent Date Range: 2001-01-01 to 2023-01-01 Last Updated: 2024-01-02 3:25 PM CST Notes: Averages of daily figures. For more information see the H.15 Statistical Release (https://www.federalreserve.gov/releases/h15/default.htm). DATE VALUE 2001-01-01 2.43 2002-01-01 1.60 2003-01-01 1.00 2004-01-01 1.24 2005-01-01 2.94 2006-01-01 4.67 2007-01-01 4.32 2008-01-01 1.27 2009-01-01 0.09 2010-01-01 0.11 2011-01-01 0.04 2012-01-01 0.07 2013-01-01 0.05 2014-01-01 0.03 2015-01-01 0.03 2016-01-01 0.25 2017-01-01 0.83 2018-01-01 1.81 2019-01-01 2.08 2020-01-01 0.35 2021-01-01 0.04 2022-01-01 1.61 2023-01-01 4.94