Quarter	Billions of US Dollars
1994-01-01	0.1000
1994-04-01	0.6000
1994-07-01	0.7000
1994-10-01	0.7250
1995-01-01	0.7250
1995-04-01	0.7250
1995-07-01	0.7600
1995-10-01	0.7598
1996-01-01	2.0117
1996-04-01	2.8461
1996-07-01	3.3814
1996-10-01	5.0233
1997-01-01	5.4505
1997-04-01	6.1389
1997-07-01	8.6489
1997-10-01	10.9416
1998-01-01	10.7072
1998-04-01	10.5995
1998-07-01	10.5947
1998-10-01	10.8495
1999-01-01	10.6653
1999-04-01	10.3632
1999-07-01	9.7759
1999-10-01	8.7740
2000-01-01	8.0932
2000-04-01	7.9939
2000-07-01	7.6126
2000-10-01	7.5040
2001-01-01	7.2439
2001-04-01	6.7684
2001-07-01	6.6482
2001-10-01	6.2063
2002-01-01	6.1051
2002-04-01	6.4481
2002-07-01	6.2225
2002-10-01	6.1225
2003-01-01	5.9225
2003-04-01	6.0225
2003-07-01	6.3725
2003-10-01	6.4875
2004-01-01	6.6125
2004-04-01	6.6125
2004-07-01	6.2825
2004-10-01	6.2825
2005-01-01	6.4825
2005-04-01	6.7325
2005-07-01	7.5175
2005-10-01	7.5775
2006-01-01	7.5775
2006-04-01	7.3000
2006-07-01	7.4680
2006-10-01	10.0180
2007-01-01	9.7680
2007-04-01	10.7330
2007-07-01	9.9660
2007-10-01	9.4560
2008-01-01	9.4560
2008-04-01	9.4560
2008-07-01	9.2738
2008-10-01	9.2738
2009-01-01	9.2738
2009-04-01	9.0738
2009-07-01	10.0238
2009-10-01	11.6110
2010-01-01	12.2775
2010-04-01	12.2844
2010-07-01	11.9851
2010-10-01	12.7351
2011-01-01	12.8401
2011-04-01	12.5399
2011-07-01	11.7719
2011-10-01	13.5214
2012-01-01	14.1264
2012-04-01	14.5864
2012-07-01	13.6280
2012-10-01	13.5663
2013-01-01	14.3313
2013-04-01	14.8546
2013-07-01	16.4046
2013-10-01	16.5546
2014-01-01	16.6481
2014-04-01	16.8481
2014-07-01	18.7081
2014-10-01	18.7393
2015-01-01	18.8770
2015-04-01	26.1875