Quarter	Billions of US Dollars
1995-07-01	0.3000
1995-10-01	0.3000
1996-01-01	0.3000
1996-04-01	0.4000
1996-07-01	0.4000
1996-10-01	0.4000
1997-01-01	0.4000
1997-04-01	0.5433
1997-07-01	0.6416
1997-10-01	1.0395
1998-01-01	1.0354
1998-04-01	2.0382
1998-07-01	2.3992
1998-10-01	2.4994
1999-01-01	3.0093
1999-04-01	2.9919
1999-07-01	3.0063
1999-10-01	3.6326
2000-01-01	3.5967
2000-04-01	4.0969
2000-07-01	4.3113
2000-10-01	5.2159
2001-01-01	5.1370
2001-04-01	6.1526
2001-07-01	7.3164
2001-10-01	7.5353
2002-01-01	8.5266
2002-04-01	9.3714
2002-07-01	10.1116
2002-10-01	13.4849
2003-01-01	14.2196
2003-04-01	14.6262
2003-07-01	14.1742
2003-10-01	14.2730
2004-01-01	13.3566
2004-04-01	14.6404
2004-07-01	15.9749
2004-10-01	18.1992
2005-01-01	17.0315
2005-04-01	17.1980
2005-07-01	16.9562
2005-10-01	17.6933
2006-01-01	18.5998
2006-04-01	21.5777
2006-07-01	21.4789
2006-10-01	21.2811
2007-01-01	21.0419
2007-04-01	21.0585
2007-07-01	21.4453
2007-10-01	21.3160
2008-01-01	21.4010
2008-04-01	21.7791
2008-07-01	21.4233
2008-10-01	21.3953
2009-01-01	23.4512
2009-04-01	23.1930
2009-07-01	22.8668
2009-10-01	20.8412
2010-01-01	20.9299
2010-04-01	20.8695
2010-07-01	20.9383
2010-10-01	21.9440
2011-01-01	22.5162
2011-04-01	22.5285
2011-07-01	23.6311
2011-10-01	26.5045
2012-01-01	25.9624
2012-04-01	29.1271
2012-07-01	28.3574
2012-10-01	32.2456
2013-01-01	31.3359
2013-04-01	33.8604
2013-07-01	34.0733
2013-10-01	34.0987
2014-01-01	34.0984
2014-04-01	34.5853
2014-07-01	34.4896
2014-10-01	34.4503
2015-01-01	36.2773
2015-04-01	35.8155