Quarter	Billions of US Dollars
1996-10-01	0.25013
1997-01-01	1.42861
1997-04-01	1.28129
1997-07-01	2.36933
1997-10-01	2.36933
1998-01-01	2.36933
1998-04-01	2.46938
1998-07-01	2.64947
1998-10-01	2.39935
1999-01-01	2.39935
1999-04-01	2.39935
1999-07-01	2.39935
1999-10-01	2.38219
2000-01-01	2.05060
2000-04-01	2.03559
2000-07-01	2.13564
2000-10-01	2.23569
2001-01-01	1.75439
2001-04-01	2.52846
2001-07-01	2.52846
2001-10-01	2.52846
2002-01-01	0.85667
2002-04-01	0.67392
2002-07-01	0.68488
2002-10-01	0.76120
2003-01-01	0.86252
2003-04-01	0.91898
2003-07-01	0.87127
2003-10-01	0.85927
2004-01-01	0.87894
2004-04-01	0.81463
2004-07-01	0.75967
2004-10-01	0.76019
2005-01-01	0.77645
2005-04-01	0.59758
2005-07-01	0.56814
2005-10-01	0.54513
2006-01-01	0.70343
2006-04-01	0.78434
2006-07-01	0.77976
2006-10-01	0.79174
2007-01-01	0.70671
2007-04-01	0.95537
2007-07-01	0.92741
2007-10-01	0.92435
2008-01-01	0.91878
2008-04-01	0.96250
2008-07-01	0.77545
2008-10-01	0.70362
2009-01-01	0.76095
2009-04-01	0.74544
2009-07-01	0.73647
2009-10-01	0.74485
2010-01-01	0.72979
2010-04-01	0.60484
2010-07-01	0.62602
2010-10-01	0.62349
2011-01-01	0.46203
2011-04-01	0.45570
2011-07-01	0.45969
2011-10-01	0.47836
2012-01-01	0.39830
2012-04-01	0.33899
2012-07-01	0.32797
2012-10-01	0.31317
2013-01-01	0.30065
2013-04-01	0.24955
2013-07-01	0.22434
2013-10-01	0.19929
2014-01-01	0.16490
2014-04-01	0.16222
2014-07-01	0.14570
2014-10-01	0.12901
2015-01-01	0.36071
2015-04-01	0.36071