Quarter	Billions of US Dollars
1994-10-01	0.01767
1995-01-01	0.00795
1995-04-01	0.07373
1995-07-01	0.03733
1995-10-01	0.03759
1996-01-01	0.01826
1996-04-01	0.03338
1996-07-01	0.05855
1996-10-01	0.15072
1997-01-01	0.26127
1997-04-01	0.09914
1997-07-01	0.24068
1997-10-01	0.01135
1998-01-01	0.07876
1998-04-01	0.12806
1998-07-01	0.06634
1999-01-01	0.05557
1999-04-01	0.05512
1999-07-01	0.14972
1999-10-01	0.15803
2000-01-01	0.05273
2000-04-01	0.02553
2000-07-01	0.02104
2000-10-01	0.01355
2001-01-01	0.02740
2001-04-01	0.02811
2001-07-01	0.11602
2001-10-01	0.08009
2002-01-01	0.02050
2002-04-01	0.02886
2002-07-01	0.80718
2002-10-01	1.04369
2003-01-01	0.86992
2003-04-01	0.97757
2003-07-01	0.20299
2003-10-01	0.83039
2004-01-01	0.69499
2004-04-01	0.21354
2004-07-01	0.37902
2004-10-01	0.68825
2005-01-01	1.37125
2005-04-01	1.38473
2005-07-01	1.42355
2005-10-01	0.73264
2006-01-01	0.43009
2006-04-01	0.20623
2006-07-01	0.52970
2006-10-01	1.49648
2007-01-01	2.73124
2007-04-01	2.80650
2007-07-01	1.25388
2007-10-01	0.42375
2008-01-01	0.34846
2008-04-01	0.41143
2008-07-01	0.35840
2008-10-01	0.80162
2009-01-01	0.54748
2009-04-01	0.71104
2009-07-01	1.21029
2009-10-01	0.79731
2010-01-01	1.19089
2010-04-01	0.67080
2010-07-01	0.41255
2010-10-01	0.63504
2011-01-01	2.04097
2011-04-01	2.68298
2011-07-01	3.57695
2011-10-01	3.70216
2012-01-01	4.56705
2012-04-01	3.26759
2012-07-01	3.25984
2012-10-01	3.30274
2013-01-01	2.00625
2013-04-01	0.87981
2013-07-01	3.33502
2013-10-01	1.52918
2014-01-01	2.42699
2014-04-01	1.60150
2014-07-01	2.20717
2014-10-01	1.02384
2015-01-01	0.81681
2015-04-01	0.44632