Quarter Billions of US Dollars 1992-10-01 0.0250 1993-01-01 0.0250 1993-04-01 0.0250 1993-07-01 0.0250 1993-10-01 0.0250 1994-01-01 0.0250 1994-04-01 0.0250 1994-07-01 0.0250 1994-10-01 0.0250 1995-01-01 0.0250 1995-04-01 0.1150 1995-07-01 0.3750 1995-10-01 0.3697 1996-01-01 0.4426 1996-04-01 0.8500 1996-07-01 1.3403 1996-10-01 2.0900 1997-01-01 2.3141 1997-04-01 2.1148 1997-07-01 2.3184 1997-10-01 2.2214 1998-01-01 2.1173 1998-04-01 2.1055 1998-07-01 2.0235 1998-10-01 2.0668 1999-01-01 2.1475 1999-04-01 1.9607 1999-07-01 1.7661 1999-10-01 1.4698 2000-01-01 2.1175 2000-04-01 1.9679 2000-07-01 1.7127 2000-10-01 2.9188 2001-01-01 2.3653 2001-04-01 2.3806 2001-07-01 2.6678 2001-10-01 3.5449 2002-01-01 3.1767 2002-04-01 4.2253 2002-07-01 4.8679 2002-10-01 5.4896 2003-01-01 5.4893 2003-04-01 5.7437 2003-07-01 5.8271 2003-10-01 5.9913 2004-01-01 6.0540 2004-04-01 6.5296 2004-07-01 6.4882 2004-10-01 7.4605 2005-01-01 7.8087 2005-04-01 7.7726 2005-07-01 8.2573 2005-10-01 8.0942 2006-01-01 9.3976 2006-04-01 9.7986 2006-07-01 10.2839 2006-10-01 11.6174 2007-01-01 12.0670 2007-04-01 14.0049 2007-07-01 14.9715 2007-10-01 14.3878 2008-01-01 14.7136 2008-04-01 17.2287 2008-07-01 16.7562 2008-10-01 16.0719 2009-01-01 15.6741 2009-04-01 15.2474 2009-07-01 17.0339 2009-10-01 16.9352 2010-01-01 16.1113 2010-04-01 15.5235 2010-07-01 16.2311 2010-10-01 15.4314 2011-01-01 17.2108 2011-04-01 17.2145 2011-07-01 16.8914 2011-10-01 15.7214 2012-01-01 15.6404 2012-04-01 16.0868 2012-07-01 16.0994 2012-10-01 16.0738 2013-01-01 16.6277 2013-04-01 16.5639 2013-07-01 16.7745 2013-10-01 17.2632 2014-01-01 18.0593 2014-04-01 17.6516 2014-07-01 16.9009 2014-10-01 17.9308 2015-01-01 17.3054 2015-04-01 16.6641