Quarter	Billions of US Dollars
1993-07-01	0.96640
1993-10-01	1.42413
1994-01-01	1.95643
1994-04-01	2.76419
1994-07-01	3.29663
1994-10-01	2.71682
1995-01-01	1.53822
1995-04-01	0.79775
1995-07-01	1.32393
1995-10-01	1.45730
1996-01-01	1.41910
1996-04-01	1.40321
1996-07-01	0.97085
1996-10-01	0.60420
1997-01-01	0.58746
1997-04-01	1.01361
1997-07-01	1.17686
1997-10-01	1.52883
1998-01-01	1.60674
1998-04-01	1.02004
1998-07-01	1.07238
1998-10-01	0.94580
1999-01-01	0.67939
1999-04-01	0.61262
1999-07-01	0.90822
1999-10-01	0.71547
2000-01-01	0.67987
2000-04-01	0.90012
2000-07-01	0.41723
2000-10-01	0.42250
2001-01-01	0.43172
2001-04-01	0.43201
2001-07-01	0.36490
2001-10-01	0.19019
2002-01-01	0.28005
2002-04-01	0.14884
2002-07-01	0.34755
2002-10-01	0.85134
2003-01-01	1.73224
2003-04-01	1.71000
2003-07-01	1.50999
2003-10-01	1.11091
2004-01-01	0.11091
2004-04-01	0.10924
2004-07-01	0.10924
2004-10-01	0.00859
2005-01-01	0.00859
2005-04-01	0.25000
2005-07-01	0.25000
2005-10-01	0.50000
2006-01-01	0.75000
2006-04-01	0.50000
2006-07-01	0.50000
2006-10-01	0.25000
2007-10-01	0.07500
2008-01-01	1.08942
2008-04-01	1.16867
2008-07-01	1.16867
2008-10-01	1.48764
2009-01-01	0.47322
2009-04-01	0.48543
2009-07-01	0.48543
2009-10-01	0.09146
2010-01-01	0.11346
2010-04-01	0.02200
2010-07-01	0.03232
2010-10-01	0.04069
2011-01-01	0.01922
2011-04-01	0.22940
2011-07-01	0.21781
2011-10-01	0.29423
2012-01-01	0.37027
2012-04-01	0.20596
2012-07-01	0.43322
2012-10-01	1.88008
2013-01-01	1.81069
2013-04-01	2.24538
2013-07-01	2.16532
2013-10-01	0.61468
2014-01-01	0.81450
2014-04-01	0.53477
2014-07-01	0.71000
2014-10-01	0.81000
2015-01-01	1.36000
2015-04-01	1.17300