Quarter	Billions of US Dollars
1993-07-01	0.6900
1993-10-01	1.0685
1994-01-01	1.1918
1994-04-01	0.8979
1994-07-01	0.0632
1994-10-01	0.0844
1995-04-01	0.1067
1995-10-01	0.1199
1996-01-01	0.8669
1996-04-01	2.8636
1996-07-01	0.8552
1996-10-01	0.1731
1997-01-01	0.7120
1997-04-01	3.1377
1997-07-01	0.1288
1997-10-01	0.8538
1998-01-01	2.7014
1998-04-01	3.7155
1998-07-01	3.7524
1998-10-01	7.5723
1999-01-01	3.4851
1999-04-01	7.8017
1999-07-01	3.4744
1999-10-01	6.1948
2000-01-01	6.0254
2000-04-01	5.3633
2000-07-01	5.9083
2000-10-01	3.4149
2001-01-01	6.5405
2001-04-01	6.7637
2001-07-01	3.1104
2001-10-01	11.1926
2002-01-01	1.9228
2002-04-01	4.1799
2002-07-01	0.9647
2002-10-01	0.5297
2003-01-01	2.7448
2003-04-01	8.2920
2003-07-01	9.8143
2003-10-01	6.1264
2004-01-01	0.9083
2004-04-01	5.6648
2004-07-01	1.4272
2004-10-01	1.3662
2005-01-01	9.2129
2005-04-01	1.9221
2005-07-01	1.3831
2005-10-01	1.8520
2006-01-01	5.5936
2006-04-01	1.2718
2006-07-01	2.7398
2006-10-01	2.2583
2007-01-01	2.9676
2007-04-01	2.1857
2007-07-01	10.0272
2007-10-01	6.1989
2008-01-01	2.6878
2008-04-01	4.8570
2008-07-01	0.9771
2008-10-01	3.7743
2009-01-01	1.6977
2009-04-01	4.5431
2009-07-01	4.0926
2009-10-01	2.7848
2010-01-01	1.6081
2010-04-01	0.9939
2010-07-01	1.2639
2010-10-01	0.9580
2011-01-01	1.2044
2011-04-01	4.1814
2011-10-01	0.6512
2012-01-01	2.2161
2012-04-01	0.2969
2012-07-01	2.5771
2012-10-01	5.7893
2013-01-01	6.4987
2013-04-01	5.9576
2013-07-01	3.8543
2013-10-01	13.1129
2014-01-01	4.9261
2014-04-01	6.2494
2014-07-01	6.7153
2014-10-01	0.8637
2015-01-01	3.7773
2015-04-01	5.8305