Quarter	Billions of US Dollars
1993-07-01	1.33260
1993-10-01	0.28120
1994-01-01	1.47040
1994-04-01	0.38830
1994-07-01	0.53200
1994-10-01	1.15810
1995-07-01	0.35710
1995-10-01	0.05290
1996-01-01	0.96488
1996-04-01	1.36433
1996-07-01	2.11181
1996-10-01	2.29111
1997-01-01	0.25526
1997-04-01	1.44180
1997-07-01	2.34144
1998-01-01	1.26977
1998-04-01	0.02947
1998-07-01	0.27121
1998-10-01	0.03252
1999-01-01	1.23632
1999-04-01	0.02017
1999-07-01	1.80840
1999-10-01	0.12158
2000-01-01	0.18783
2000-04-01	1.44252
2000-07-01	1.47886
2000-10-01	0.18431
2001-01-01	0.06644
2001-04-01	1.10920
2001-07-01	0.40615
2001-10-01	1.20744
2002-01-01	0.40483
2002-04-01	3.67455
2002-07-01	1.04346
2002-10-01	0.14552
2003-01-01	3.19859
2003-04-01	0.91133
2003-07-01	1.91327
2003-10-01	6.34515
2004-01-01	5.23504
2004-04-01	5.31467
2004-07-01	3.15756
2004-10-01	0.89910
2005-01-01	1.71006
2005-04-01	0.57691
2005-07-01	0.86828
2005-10-01	0.76802
2006-01-01	2.86339
2006-04-01	2.68506
2006-07-01	2.02685
2006-10-01	4.70526
2007-01-01	1.78691
2007-04-01	0.73694
2007-07-01	2.76288
2007-10-01	1.26224
2008-01-01	2.08616
2008-04-01	2.84634
2008-07-01	1.69681
2008-10-01	0.54185
2009-01-01	0.03100
2009-04-01	0.05592
2009-07-01	0.38478
2009-10-01	2.16494
2010-01-01	0.67612
2010-04-01	0.47669
2010-07-01	2.73017
2010-10-01	0.14520
2011-01-01	0.62585
2011-04-01	1.10556
2011-07-01	0.54069
2011-10-01	2.64939
2012-01-01	2.43140
2012-04-01	0.35435
2012-07-01	0.71448
2012-10-01	2.33562
2013-01-01	0.68072
2013-04-01	0.94547
2013-07-01	4.30671
2013-10-01	3.76501
2014-01-01	1.69903
2014-04-01	5.04798
2014-07-01	2.04692
2014-10-01	3.71102
2015-01-01	2.56166
2015-04-01	2.03897