Quarter Billions of US Dollars 1994-07-01 0.0053 1994-10-01 0.0053 1995-01-01 0.0053 1995-04-01 0.0053 1995-07-01 0.3053 1995-10-01 0.3000 1996-01-01 0.3500 1996-04-01 0.4500 1996-07-01 0.5829 1996-10-01 0.8594 1997-01-01 0.8691 1997-04-01 1.3575 1997-07-01 1.4559 1997-10-01 2.1513 1998-01-01 2.1655 1998-04-01 3.1485 1998-07-01 3.6801 1998-10-01 3.8815 1999-01-01 4.3914 1999-04-01 4.4340 1999-07-01 4.4745 1999-10-01 5.0454 2000-01-01 4.9985 2000-04-01 5.5947 2000-07-01 5.7460 2000-10-01 6.6052 2001-01-01 6.5382 2001-04-01 7.5538 2001-07-01 8.8588 2001-10-01 8.8625 2002-01-01 9.8538 2002-04-01 10.3524 2002-07-01 11.1876 2002-10-01 14.5332 2003-01-01 15.2679 2003-04-01 15.5890 2003-07-01 15.1970 2003-10-01 15.2910 2004-01-01 14.3272 2004-04-01 15.5360 2004-07-01 16.8706 2004-10-01 19.0948 2005-01-01 17.8477 2005-04-01 20.0142 2005-07-01 19.8623 2005-10-01 20.8446 2006-01-01 21.7511 2006-04-01 24.6602 2006-07-01 24.4554 2006-10-01 24.1523 2007-01-01 23.9130 2007-04-01 23.9297 2007-07-01 24.1665 2007-10-01 23.9771 2008-01-01 24.0622 2008-04-01 24.4403 2008-07-01 24.0244 2008-10-01 23.9965 2009-01-01 26.0523 2009-04-01 25.7942 2009-07-01 25.4680 2009-10-01 23.4555 2010-01-01 23.7462 2010-04-01 23.5858 2010-07-01 23.4846 2010-10-01 24.4903 2011-01-01 25.0625 2011-04-01 25.3748 2011-07-01 26.4774 2011-10-01 29.0508 2012-01-01 28.3067 2012-04-01 31.4403 2012-07-01 30.6705 2012-10-01 34.7587 2013-01-01 33.8491 2013-04-01 36.3736 2013-07-01 36.5864 2013-10-01 36.6118 2014-01-01 36.6116 2014-04-01 37.0984 2014-07-01 37.0027 2014-10-01 36.9634 2015-01-01 38.7904 2015-04-01 36.3287