Quarter	Billions of US Dollars
1994-01-01	0.0485
1994-07-01	0.0026
1994-10-01	0.0050
1995-01-01	0.0164
1995-04-01	0.0783
1995-07-01	0.2539
1995-10-01	0.2821
1996-01-01	0.5534
1996-04-01	0.5461
1996-07-01	0.6181
1996-10-01	0.5866
1997-01-01	0.6656
1997-04-01	0.5557
1997-07-01	0.5502
1997-10-01	0.7071
1998-01-01	0.7190
1998-04-01	1.1186
1998-07-01	2.0915
1998-10-01	0.8082
1999-01-01	1.0359
1999-04-01	1.2124
1999-07-01	2.7318
1999-10-01	2.4038
2000-01-01	4.1861
2000-04-01	3.9743
2000-07-01	4.6726
2000-10-01	3.4398
2001-01-01	5.0599
2001-04-01	3.2063
2001-07-01	2.6209
2001-10-01	2.9094
2002-01-01	4.6623
2002-04-01	5.2702
2002-07-01	5.0389
2002-10-01	4.8714
2003-01-01	4.6470
2003-04-01	3.5140
2003-07-01	3.7547
2003-10-01	4.8740
2004-01-01	5.4239
2004-04-01	5.7335
2004-07-01	7.7091
2004-10-01	7.7663
2005-01-01	10.1743
2005-04-01	3.4462
2005-07-01	5.2205
2005-10-01	3.6276
2006-01-01	9.1315
2006-04-01	11.5543
2006-07-01	12.6543
2006-10-01	11.4877
2007-01-01	9.9095
2007-04-01	9.0655
2007-07-01	7.7826
2007-10-01	8.3861
2008-01-01	8.4080
2008-04-01	9.8621
2008-07-01	5.8171
2008-10-01	7.3448
2009-01-01	7.0518
2009-04-01	7.6826
2009-07-01	6.4273
2009-10-01	4.9097
2010-01-01	5.0785
2010-04-01	3.4454
2010-07-01	4.7221
2010-10-01	4.3667
2011-01-01	3.6273
2011-04-01	6.1126
2011-07-01	3.3659
2011-10-01	2.7450
2012-01-01	3.6629
2012-04-01	3.2791
2012-07-01	2.5279
2012-10-01	3.0662
2013-01-01	3.6140
2013-04-01	2.6804
2013-07-01	3.7514
2013-10-01	3.1117
2014-01-01	2.3886
2014-04-01	3.4551
2014-07-01	4.7386
2014-10-01	4.2888
2015-01-01	4.6844
2015-04-01	4.8571