Quarter	Billions of US Dollars
1994-10-01	0.01500
1995-01-01	0.37172
1995-04-01	0.36561
1995-07-01	0.63215
1995-10-01	0.70176
1996-01-01	0.53288
1996-04-01	0.96065
1996-07-01	0.87822
1996-10-01	0.99579
1997-01-01	0.96994
1997-04-01	0.87747
1997-07-01	1.18436
1997-10-01	1.22399
1998-01-01	1.18540
1998-04-01	1.13665
1998-07-01	2.02635
1998-10-01	1.91628
1999-01-01	1.81928
1999-04-01	1.29947
1999-07-01	1.75529
1999-10-01	1.76840
2000-01-01	1.49051
2000-04-01	1.67996
2000-07-01	2.62776
2000-10-01	2.36841
2001-01-01	3.16026
2001-04-01	3.80518
2001-07-01	4.27333
2001-10-01	3.04991
2002-01-01	3.51251
2002-04-01	3.68987
2002-07-01	2.52786
2002-10-01	3.51695
2003-01-01	3.07972
2003-04-01	1.95955
2003-07-01	1.72813
2003-10-01	3.27053
2004-01-01	1.95074
2004-04-01	1.84565
2004-07-01	1.13507
2004-10-01	2.24324
2005-01-01	2.13422
2005-04-01	1.89399
2005-07-01	1.89340
2005-10-01	1.12274
2006-01-01	2.04559
2006-04-01	2.11310
2006-07-01	1.29332
2006-10-01	2.25683
2007-01-01	2.89023
2007-04-01	2.29333
2007-07-01	3.41149
2007-10-01	2.80664
2008-01-01	2.20456
2008-04-01	3.22311
2008-07-01	2.94010
2008-10-01	5.30101
2009-01-01	1.81610
2009-04-01	2.56619
2009-07-01	2.12306
2009-10-01	2.98804
2010-01-01	5.50262
2010-04-01	4.19225
2010-07-01	4.26169
2010-10-01	3.65772
2011-01-01	3.04387
2011-04-01	4.12310
2011-07-01	4.83881
2011-10-01	5.77618
2012-01-01	5.97955
2012-04-01	4.39323
2012-07-01	4.54922
2012-10-01	4.91314
2013-01-01	5.59387
2013-04-01	4.38294
2013-07-01	3.94221
2013-10-01	5.67472
2014-01-01	4.60651
2014-04-01	6.65019
2014-07-01	4.64812
2014-10-01	4.50485
2015-01-01	7.28389
2015-04-01	4.56727