Quarter	Billions of US Dollars
1994-07-01	0.2539
1994-10-01	0.2507
1995-01-01	0.2798
1995-04-01	0.2955
1995-07-01	0.2543
1995-10-01	0.3063
1996-01-01	0.2964
1996-04-01	0.2879
1996-07-01	0.2839
1996-10-01	0.5516
1997-01-01	0.5339
1997-04-01	0.5553
1997-07-01	0.5403
1997-10-01	0.5224
1998-01-01	0.7185
1998-04-01	1.5524
1998-07-01	1.6988
1998-10-01	1.9587
1999-01-01	1.8840
1999-04-01	2.2695
1999-07-01	2.2927
1999-10-01	2.3773
2000-01-01	2.4598
2000-04-01	3.0870
2000-07-01	2.9445
2000-10-01	2.9843
2001-01-01	2.8662
2001-04-01	2.8880
2001-07-01	2.9603
2001-10-01	2.8003
2002-01-01	2.7826
2002-04-01	3.2163
2002-07-01	3.2037
2002-10-01	3.0941
2003-01-01	3.1831
2003-04-01	2.9888
2003-07-01	2.9453
2003-10-01	3.4768
2004-01-01	3.3774
2004-04-01	4.2134
2004-07-01	4.2911
2004-10-01	4.4074
2005-01-01	4.2141
2005-04-01	3.0525
2005-07-01	3.0398
2005-10-01	2.7921
2006-01-01	4.0700
2006-04-01	4.2617
2006-07-01	4.0986
2006-10-01	4.0738
2007-01-01	4.1294
2007-04-01	5.2628
2007-07-01	5.5260
2007-10-01	5.7389
2008-01-01	6.1740
2008-04-01	6.1797
2008-07-01	5.6085
2008-10-01	5.4617
2009-01-01	5.2190
2009-04-01	8.3698
2009-07-01	8.6712
2009-10-01	8.5309
2010-01-01	7.9819
2010-04-01	8.4937
2010-07-01	9.4468
2010-10-01	9.2488
2011-01-01	11.6096
2011-04-01	12.9668
2011-07-01	12.1145
2011-10-01	11.6085
2012-01-01	11.9827
2012-04-01	14.8188
2012-07-01	15.1349
2012-10-01	15.3828
2013-01-01	15.0135
2013-04-01	17.4909
2013-07-01	18.9742
2013-10-01	21.8597
2014-01-01	22.4406
2014-04-01	21.9551
2014-07-01	20.4920
2014-10-01	19.1143
2015-01-01	16.4730
2015-04-01	16.9984