Quarter	Billions of US Dollars
1993-07-01	0.2155
1993-10-01	0.1632
1994-01-01	0.2137
1994-04-01	0.1848
1994-07-01	0.1847
1994-10-01	0.1855
1995-01-01	0.1807
1995-04-01	0.1798
1995-07-01	0.1500
1996-01-01	0.0500
1996-04-01	0.1339
1996-07-01	0.1343
1996-10-01	0.2104
1997-01-01	0.1574
1997-04-01	0.0844
1997-07-01	0.1521
1997-10-01	0.0439
1998-01-01	0.1090
1998-04-01	0.1975
1998-07-01	0.2034
1998-10-01	0.1188
1999-01-01	0.1467
1999-04-01	0.1632
1999-07-01	0.2698
2000-01-01	0.0051
2000-04-01	0.0106
2000-07-01	0.1154
2000-10-01	0.0321
2001-01-01	0.0092
2001-04-01	0.2686
2001-07-01	0.0591
2001-10-01	0.0216
2002-01-01	0.0960
2002-04-01	0.0903
2002-07-01	0.0897
2002-10-01	0.0672
2003-01-01	0.0708
2003-04-01	0.2479
2003-07-01	0.2012
2003-10-01	0.3096
2004-01-01	0.3730
2004-04-01	0.5043
2004-07-01	0.6012
2004-10-01	0.9767
2005-01-01	1.0727
2005-04-01	0.5592
2005-07-01	1.4531
2005-10-01	0.5191
2006-01-01	0.4988
2006-04-01	0.8212
2006-07-01	0.7627
2006-10-01	0.5482
2007-01-01	0.6988
2007-04-01	1.0173
2007-07-01	1.0067
2007-10-01	0.5377
2008-01-01	0.6453
2008-04-01	1.3839
2008-07-01	0.7888
2008-10-01	0.4934
2009-01-01	0.6042
2009-04-01	0.6048
2009-07-01	1.0415
2009-10-01	0.9068
2010-01-01	1.2757
2010-04-01	0.9282
2010-07-01	1.1617
2010-10-01	1.1577
2011-01-01	2.3797
2011-04-01	3.9128
2011-07-01	7.6278
2011-10-01	8.0095
2012-01-01	8.6838
2012-04-01	6.5321
2012-07-01	4.7048
2012-10-01	2.8206
2013-01-01	5.5097
2013-04-01	9.1860
2013-07-01	10.7625
2013-10-01	14.3378
2014-01-01	12.5997
2014-04-01	10.0701
2014-07-01	11.3734
2014-10-01	11.1365
2015-01-01	5.8989
2015-04-01	10.3999