Quarter	Billions of US Dollars
1994-07-01	0.00750
1995-04-01	0.01500
1995-10-01	0.63709
1996-04-01	0.27360
1996-07-01	0.17358
1996-10-01	0.17404
1997-01-01	0.51001
1997-04-01	0.48531
1997-07-01	0.45810
1997-10-01	0.33293
1998-01-01	0.39996
1998-04-01	0.16412
1998-07-01	0.23586
1998-10-01	0.22809
1999-01-01	0.57587
1999-04-01	0.45800
1999-07-01	0.30128
1999-10-01	1.20260
2000-01-01	0.74394
2000-04-01	0.19525
2000-07-01	0.03796
2000-10-01	0.62385
2001-01-01	0.34616
2001-04-01	0.44326
2001-07-01	1.21643
2001-10-01	1.79831
2002-01-01	1.62754
2002-04-01	0.78585
2002-07-01	1.10423
2002-10-01	1.15765
2003-01-01	1.64576
2003-04-01	2.29324
2003-07-01	4.11812
2003-10-01	2.56769
2004-01-01	1.93813
2004-04-01	2.14225
2004-07-01	1.33136
2004-10-01	1.03000
2005-01-01	0.72764
2005-04-01	0.59652
2005-07-01	0.29140
2005-10-01	0.60530
2006-01-01	0.03175
2006-04-01	0.43824
2006-07-01	0.28624
2006-10-01	1.15392
2007-01-01	0.02385
2007-04-01	0.96097
2007-07-01	0.97108
2007-10-01	1.20386
2008-01-01	1.37093
2008-04-01	3.01620
2008-07-01	2.10672
2008-10-01	3.57423
2009-01-01	1.58750
2009-04-01	1.56535
2009-07-01	2.59717
2009-10-01	6.24612
2010-01-01	7.89960
2010-04-01	3.21463
2010-07-01	4.44695
2010-10-01	2.25505
2011-01-01	1.98779
2011-04-01	2.13181
2011-07-01	1.61959
2011-10-01	3.03990
2012-01-01	0.25032
2012-04-01	0.17692
2012-07-01	0.10507
2012-10-01	3.33326
2013-01-01	2.76419
2013-04-01	0.24417
2013-07-01	2.08177
2013-10-01	0.18102
2014-01-01	0.51527
2014-04-01	0.50962
2014-07-01	0.23513
2014-10-01	0.19860
2015-01-01	0.14132
2015-04-01	0.12239