Quarter	Billions of US Dollars
1993-07-01	0.52743
1993-10-01	0.78944
1994-01-01	0.99616
1994-04-01	0.92744
1994-07-01	1.50591
1994-10-01	1.36888
1995-01-01	1.87917
1995-04-01	1.44300
1995-07-01	1.46321
1995-10-01	1.47880
1996-01-01	1.51250
1996-04-01	1.60721
1996-07-01	1.23305
1996-10-01	1.85544
1997-01-01	1.72968
1997-04-01	1.86570
1997-07-01	1.15133
1997-10-01	1.80955
1998-01-01	1.39593
1998-04-01	1.04610
1998-07-01	1.03224
1998-10-01	1.32559
1999-01-01	0.86669
1999-04-01	0.84080
1999-07-01	1.32309
1999-10-01	0.74342
2000-01-01	1.49449
2000-04-01	1.33209
2000-07-01	1.26227
2000-10-01	1.85648
2001-01-01	1.88365
2001-04-01	2.30078
2001-07-01	1.81328
2001-10-01	1.65509
2002-01-01	1.34187
2002-04-01	1.55102
2002-07-01	1.68068
2002-10-01	1.18758
2003-01-01	2.98007
2003-04-01	2.06561
2003-07-01	1.65830
2003-10-01	1.67555
2004-01-01	2.72688
2004-04-01	2.89774
2004-07-01	2.73919
2004-10-01	5.74890
2005-01-01	3.59191
2005-04-01	2.65029
2005-07-01	2.93542
2005-10-01	2.23643
2006-01-01	2.58824
2006-04-01	1.71289
2006-07-01	1.79463
2006-10-01	1.81770
2007-01-01	1.21896
2007-04-01	1.50245
2007-07-01	2.09504
2007-10-01	4.55836
2008-01-01	5.73743
2008-04-01	1.74607
2008-07-01	0.95909
2008-10-01	0.03550
2009-01-01	0.45609
2009-04-01	0.50612
2009-07-01	0.13843
2009-10-01	0.29000
2010-01-01	0.18000
2010-04-01	0.32210
2010-07-01	0.16000
2010-10-01	0.56302
2011-01-01	1.05534
2011-04-01	0.63713
2011-07-01	1.05270
2011-10-01	0.84351
2012-01-01	0.86813
2012-04-01	0.74618
2012-07-01	0.99063
2012-10-01	1.38893
2013-01-01	2.26036
2013-04-01	0.63343
2013-07-01	0.64108
2013-10-01	1.88118
2014-01-01	1.37230
2014-04-01	0.92824
2014-07-01	1.10536
2014-10-01	0.50459
2015-01-01	0.60262
2015-04-01	0.83740