Quarter	Billions of US Dollars
1993-07-01	7.9273
1993-10-01	8.4697
1994-01-01	10.6925
1994-04-01	3.5468
1994-07-01	3.6771
1994-10-01	0.8597
1995-01-01	2.2868
1995-04-01	0.9310
1995-07-01	3.0195
1995-10-01	3.0254
1996-01-01	7.7365
1996-04-01	5.7261
1996-07-01	4.5855
1996-10-01	4.5910
1997-01-01	2.8267
1997-04-01	5.2345
1997-07-01	4.6883
1997-10-01	1.6141
1998-01-01	3.1474
1998-04-01	3.3124
1998-07-01	2.0125
1998-10-01	3.5898
1999-01-01	4.3992
1999-04-01	8.1691
1999-07-01	3.7101
1999-10-01	6.7786
2000-01-01	5.3275
2000-04-01	6.9876
2000-07-01	3.1436
2000-10-01	5.8481
2001-01-01	7.8638
2001-04-01	6.5892
2001-07-01	2.4312
2001-10-01	10.0295
2002-01-01	3.3510
2002-04-01	8.7208
2002-07-01	2.3729
2002-10-01	1.9952
2003-01-01	3.7234
2003-04-01	5.1680
2003-07-01	9.4522
2003-10-01	9.6907
2004-01-01	9.7214
2004-04-01	9.9645
2004-07-01	4.6243
2004-10-01	3.3839
2005-01-01	3.3758
2005-04-01	2.7831
2005-07-01	3.6229
2005-10-01	3.1647
2006-01-01	6.7733
2006-04-01	4.8207
2006-07-01	5.8441
2006-10-01	5.5418
2007-01-01	8.5013
2007-04-01	11.7972
2007-07-01	5.9779
2007-10-01	9.7382
2008-01-01	7.3836
2008-04-01	6.7953
2008-07-01	4.6742
2008-10-01	3.6404
2009-01-01	4.3657
2009-04-01	14.4192
2009-07-01	8.9425
2009-10-01	10.8801
2010-01-01	5.4643
2010-04-01	7.1888
2010-07-01	11.0467
2010-10-01	7.7105
2011-01-01	8.3607
2011-04-01	8.1564
2011-07-01	4.3013
2011-10-01	4.7146
2012-01-01	9.3192
2012-04-01	6.0276
2012-07-01	7.2822
2012-10-01	9.6484
2013-01-01	13.8626
2013-04-01	10.0505
2013-07-01	14.3988
2013-10-01	28.0336
2014-01-01	14.1153
2014-04-01	28.9859
2014-07-01	17.9288
2014-10-01	14.6398
2015-01-01	14.0686
2015-04-01	19.5064