Quarter	Billions of US Dollars
1996-01-01	0.00583
1996-10-01	0.02458
1997-01-01	0.17077
1997-04-01	0.13194
1997-07-01	0.00147
1997-10-01	0.08420
1998-01-01	0.02492
1998-04-01	0.01981
1998-07-01	0.01495
1998-10-01	0.11800
1999-01-01	0.06510
1999-04-01	0.07513
1999-07-01	0.00009
1999-10-01	0.00002
2000-01-01	0.06120
2000-04-01	0.00041
2000-07-01	0.00009
2000-10-01	0.00010
2005-07-01	0.05740
2005-10-01	0.16779
2006-01-01	0.12558
2006-04-01	0.17949
2006-07-01	0.03743
2006-10-01	0.00984
2007-01-01	0.02445
2007-04-01	0.55020
2007-07-01	0.17961
2007-10-01	0.17310
2008-01-01	0.20225
2008-04-01	0.51510
2008-07-01	0.54245
2008-10-01	0.09562
2009-01-01	0.05170
2009-04-01	0.26064
2009-07-01	0.18582
2009-10-01	0.47201
2010-01-01	0.84215
2010-04-01	0.94197
2010-07-01	0.84340
2010-10-01	1.22077
2011-01-01	1.42921
2011-04-01	1.27085
2011-07-01	0.89105
2011-10-01	0.91660
2012-01-01	0.87939
2012-04-01	0.64077
2012-07-01	0.86888
2012-10-01	0.90051
2013-01-01	0.59207
2013-04-01	1.58989
2013-07-01	0.72002
2013-10-01	0.28383
2014-01-01	0.20942
2014-04-01	0.88762
2014-07-01	1.59994
2014-10-01	0.43538
2015-01-01	1.41778
2015-04-01	0.32733