Quarter	Billions of US Dollars
1993-07-01	1.4014
1993-10-01	1.5136
1994-01-01	1.4814
1994-04-01	1.4571
1994-07-01	1.2690
1994-10-01	0.8922
1995-01-01	1.7633
1995-04-01	1.8120
1995-07-01	1.7873
1995-10-01	1.5463
1996-01-01	0.9260
1996-04-01	0.9877
1996-07-01	0.8685
1996-10-01	1.2455
1997-01-01	0.9010
1997-04-01	0.7251
1997-07-01	0.7055
1997-10-01	0.4851
1998-01-01	0.9262
1998-04-01	1.0909
1998-07-01	1.1717
1998-10-01	1.0071
1999-01-01	1.5902
1999-04-01	1.5652
1999-07-01	0.7973
1999-10-01	1.6477
2000-01-01	1.9807
2000-04-01	3.0947
2000-07-01	0.9654
2000-10-01	1.3838
2001-01-01	0.9534
2001-04-01	0.4002
2001-07-01	2.3962
2001-10-01	6.1763
2002-01-01	6.5389
2002-04-01	6.3790
2002-07-01	5.2119
2002-10-01	6.0562
2003-01-01	5.5759
2003-04-01	6.5476
2003-07-01	4.4959
2003-10-01	2.9118
2004-01-01	2.7592
2004-04-01	1.5474
2004-07-01	0.8950
2004-10-01	0.7078
2005-01-01	0.1469
2006-01-01	0.0048
2007-04-01	0.9666
2007-07-01	12.2566
2007-10-01	1.0779
2008-01-01	7.3865
2008-04-01	7.8761
2008-07-01	17.3845
2008-10-01	27.6333
2009-01-01	22.8395
2009-04-01	19.4206
2009-07-01	10.6794
2009-10-01	4.3437
2010-01-01	2.4882
2010-04-01	3.2231
2010-07-01	5.8408
2010-10-01	1.0418
2011-01-01	0.7440
2011-04-01	0.6745
2011-07-01	0.7341
2011-10-01	0.4518
2012-01-01	1.1463
2012-04-01	1.4103
2012-07-01	1.6040
2012-10-01	1.7199
2013-01-01	1.8504
2013-04-01	2.3120
2013-07-01	0.9906
2013-10-01	0.6698
2014-01-01	0.8010
2014-04-01	0.5718
2014-07-01	1.9086
2014-10-01	2.8225
2015-01-01	3.5650
2015-04-01	2.9283