Quarter	Billions of US Dollars
1995-01-01	0.02800
1995-04-01	0.02800
1995-07-01	0.02800
1995-10-01	0.02800
1996-01-01	0.03000
1996-04-01	0.03000
1996-07-01	0.03000
1996-10-01	0.03000
1997-04-01	0.01188
1997-07-01	0.00939
1998-01-01	0.06000
1998-04-01	0.06000
1998-07-01	0.13000
1998-10-01	0.13000
1999-01-01	0.22000
1999-04-01	0.27000
1999-07-01	0.28000
1999-10-01	0.29200
2000-01-01	0.14780
2000-04-01	0.23000
2000-07-01	0.25000
2000-10-01	0.33000
2001-01-01	0.33000
2001-04-01	0.83306
2001-07-01	0.85411
2001-10-01	0.89086
2002-01-01	0.88688
2002-04-01	0.40562
2002-07-01	0.28060
2002-10-01	1.07412
2003-01-01	0.28209
2003-04-01	0.20457
2003-07-01	0.31442
2003-10-01	0.54060
2004-01-01	0.69200
2004-04-01	0.68244
2004-07-01	0.54494
2004-10-01	0.37937
2005-01-01	0.03950
2005-04-01	0.14540
2005-07-01	0.14567
2005-10-01	0.55909
2006-01-01	0.69396
2006-04-01	1.94904
2006-07-01	2.92641
2006-10-01	2.45264
2007-01-01	2.82762
2007-04-01	1.92389
2007-07-01	1.00587
2007-10-01	1.82298
2008-01-01	2.41191
2008-04-01	3.92552
2008-07-01	4.50599
2008-10-01	5.58231
2009-01-01	4.61895
2009-04-01	3.69484
2009-07-01	3.31815
2009-10-01	2.18438
2010-01-01	1.88015
2010-04-01	2.93015
2010-07-01	2.86971
2010-10-01	3.65186
2011-01-01	3.59275
2011-04-01	5.69910
2011-07-01	6.37382
2011-10-01	5.63525
2012-01-01	6.79073
2012-04-01	5.28182
2012-07-01	4.66753
2012-10-01	4.08174
2013-01-01	2.93452
2013-04-01	2.52852
2013-07-01	4.98677
2013-10-01	5.08683
2014-01-01	5.54193
2014-04-01	5.15125
2014-07-01	3.88071
2014-10-01	4.20075
2015-01-01	4.58769
2015-04-01	4.41080