Quarter	Billions of US Dollars
1993-07-01	2.2862
1993-10-01	3.9836
1994-01-01	3.2868
1994-04-01	3.6726
1994-07-01	5.7728
1994-10-01	1.8971
1995-01-01	3.3458
1995-04-01	5.2546
1995-07-01	7.1043
1995-10-01	5.1406
1996-01-01	5.2949
1996-04-01	3.8590
1996-07-01	7.2871
1996-10-01	6.7878
1997-01-01	8.4663
1997-04-01	4.4604
1997-07-01	9.0153
1997-10-01	4.7755
1998-01-01	5.5677
1998-04-01	3.5672
1998-07-01	4.8811
1998-10-01	3.1063
1999-01-01	4.2124
1999-04-01	3.0849
1999-07-01	3.4642
1999-10-01	3.7251
2000-01-01	5.0067
2000-04-01	4.5882
2000-07-01	6.1079
2000-10-01	4.1948
2001-01-01	9.8427
2001-04-01	12.8701
2001-07-01	8.7272
2001-10-01	9.9318
2002-01-01	3.5965
2002-04-01	4.8368
2002-07-01	6.7705
2002-10-01	5.5924
2003-01-01	5.5026
2003-04-01	6.8352
2003-07-01	4.5124
2003-10-01	6.0015
2004-01-01	5.8660
2004-04-01	7.9391
2004-07-01	5.1837
2004-10-01	7.2492
2005-01-01	6.2910
2005-04-01	6.1515
2005-07-01	6.9547
2005-10-01	4.3736
2006-01-01	3.4432
2006-04-01	6.5763
2006-07-01	6.5330
2006-10-01	6.8808
2007-01-01	6.0828
2007-04-01	11.8533
2007-07-01	16.0393
2007-10-01	9.2154
2008-01-01	11.9506
2008-04-01	12.6950
2008-07-01	9.5523
2008-10-01	2.8177
2009-01-01	11.5877
2009-04-01	6.5225
2009-07-01	3.9976
2009-10-01	6.5381
2010-01-01	4.3968
2010-04-01	3.8477
2010-07-01	8.0192
2010-10-01	5.1743
2011-01-01	4.3277
2011-04-01	7.0519
2011-07-01	6.5920
2011-10-01	3.2808
2012-01-01	7.1131
2012-04-01	5.1823
2012-07-01	10.1128
2012-10-01	6.6053
2013-01-01	3.2019
2013-04-01	3.9709
2013-07-01	2.6847
2013-10-01	4.1521
2014-01-01	4.5008
2014-04-01	3.5527
2014-07-01	2.9864
2014-10-01	2.0648
2015-01-01	4.4178
2015-04-01	2.6255