Quarter	Billions of US Dollars
1993-07-01	3.0319
1993-10-01	1.3696
1994-01-01	5.6231
1994-04-01	3.2916
1994-07-01	5.7002
1994-10-01	0.5097
1995-01-01	2.1722
1995-04-01	1.9933
1995-07-01	2.8048
1995-10-01	1.2811
1996-01-01	3.2769
1996-04-01	3.8828
1996-07-01	11.9462
1996-10-01	0.6356
1997-01-01	0.6965
1997-04-01	3.7521
1997-07-01	3.4397
1997-10-01	3.2509
1998-01-01	2.3817
1998-04-01	0.1340
1998-07-01	1.0777
1998-10-01	1.0287
1999-01-01	1.5485
1999-04-01	3.7396
1999-07-01	1.7560
1999-10-01	1.7030
2000-01-01	1.8819
2000-04-01	3.8148
2000-07-01	0.3619
2000-10-01	0.4493
2001-01-01	0.6275
2001-04-01	3.3631
2001-07-01	0.9968
2001-10-01	1.6228
2002-01-01	1.0707
2002-04-01	1.9418
2002-07-01	1.0167
2002-10-01	2.4185
2003-01-01	3.3350
2003-04-01	3.2782
2003-07-01	4.2352
2003-10-01	2.8869
2004-01-01	3.8571
2004-04-01	6.0888
2004-07-01	1.7897
2004-10-01	3.4873
2005-01-01	0.6981
2005-04-01	4.8138
2005-07-01	2.1137
2005-10-01	2.9210
2006-01-01	5.6184
2006-04-01	5.0225
2006-07-01	2.5519
2006-10-01	4.5796
2007-01-01	1.9997
2007-04-01	1.5303
2007-07-01	0.9926
2007-10-01	1.5729
2008-01-01	3.5747
2008-04-01	1.6234
2008-07-01	0.6952
2008-10-01	2.5663
2009-01-01	3.3214
2009-04-01	2.3105
2009-07-01	3.2842
2009-10-01	2.5680
2010-01-01	4.9265
2010-04-01	13.1718
2010-07-01	2.2630
2010-10-01	9.5435
2011-01-01	7.8262
2011-04-01	3.1168
2011-07-01	3.4199
2011-10-01	1.6285
2012-01-01	4.2838
2012-04-01	4.6679
2012-07-01	2.1980
2012-10-01	1.0830
2013-01-01	2.6310
2013-04-01	2.0859
2013-07-01	0.1923
2013-10-01	0.7459
2014-01-01	1.9498
2014-04-01	4.6060
2014-07-01	0.5875
2014-10-01	2.5137
2015-01-01	1.4193
2015-04-01	1.4429