Quarter	Billions of US Dollars
1993-07-01	0.10511
1993-10-01	0.51263
1994-01-01	0.51236
1994-04-01	0.62090
1994-07-01	0.59398
1994-10-01	0.23454
1995-01-01	0.27000
1995-04-01	0.23120
1995-07-01	0.28290
1995-10-01	0.45078
1996-01-01	0.50108
1996-04-01	0.77993
1996-07-01	0.88588
1996-10-01	1.06228
1997-01-01	0.87673
1997-04-01	0.50152
1997-07-01	0.56113
1997-10-01	0.45814
1998-01-01	0.44886
1998-04-01	0.70820
1998-07-01	0.45000
1998-10-01	0.30000
1999-01-01	0.53492
1999-04-01	0.31948
1999-07-01	0.29156
1999-10-01	0.47058
2000-01-01	0.47247
2000-04-01	0.50365
2000-07-01	0.54048
2000-10-01	0.24893
2001-01-01	0.30026
2001-04-01	0.45347
2001-07-01	0.39326
2001-10-01	0.40068
2002-01-01	0.42420
2002-04-01	0.12707
2002-07-01	0.24573
2002-10-01	0.14130
2003-01-01	0.14524
2003-04-01	0.04754
2003-07-01	2.30655
2003-10-01	2.73766
2004-01-01	2.86407
2004-04-01	2.86649
2004-07-01	1.60767
2004-10-01	3.60275
2005-01-01	3.49953
2005-04-01	3.48113
2005-07-01	2.48546
2005-10-01	1.90570
2006-01-01	1.89867
2006-04-01	1.86131
2006-07-01	1.87294
2006-10-01	1.88288
2007-01-01	1.66961
2007-04-01	2.20867
2007-07-01	1.81057
2007-10-01	1.44655
2008-01-01	0.90124
2008-04-01	0.38622
2008-07-01	1.62891
2008-10-01	1.55106
2009-01-01	1.20533
2009-04-01	1.24973
2009-07-01	0.34993
2009-10-01	0.49993
2010-01-01	0.55609
2010-04-01	0.79400
2010-07-01	1.22172
2010-10-01	1.13562
2011-01-01	2.14576
2011-04-01	2.82138
2011-07-01	2.00469
2011-10-01	1.94481
2012-01-01	1.61981
2012-04-01	2.43532
2012-07-01	3.60308
2012-10-01	3.62043
2013-01-01	3.16053
2013-04-01	2.66197
2013-07-01	1.45131
2013-10-01	1.72968
2014-01-01	1.47194
2014-04-01	0.52316
2014-07-01	0.50166
2014-10-01	0.25000
2015-01-01	0.60979
2015-04-01	0.76916