Quarter	Billions of US Dollars
1993-07-01	0.02000
1994-01-01	0.14626
1994-04-01	0.21535
1994-07-01	0.41534
1994-10-01	0.52853
1995-01-01	0.25070
1995-04-01	0.15700
1995-07-01	0.30572
1995-10-01	0.38814
1996-01-01	0.53550
1996-04-01	0.86336
1996-07-01	0.95135
1996-10-01	0.93726
1997-01-01	0.88946
1997-04-01	0.88358
1997-07-01	0.85186
1997-10-01	0.81723
1998-01-01	0.77471
1998-04-01	0.72557
1998-07-01	0.75538
1998-10-01	1.21624
1999-01-01	1.69139
1999-04-01	1.62283
1999-07-01	1.71531
1999-10-01	2.41180
2000-01-01	1.81978
2000-04-01	1.77796
2000-07-01	1.72898
2000-10-01	0.99921
2001-01-01	0.99918
2001-04-01	1.25134
2001-07-01	1.33750
2001-10-01	1.12461
2002-01-01	1.06371
2002-04-01	1.27273
2002-07-01	1.06669
2002-10-01	1.36263
2003-01-01	1.12270
2003-04-01	1.08410
2003-07-01	1.19269
2003-10-01	1.21572
2004-01-01	1.15795
2004-04-01	1.03237
2004-07-01	1.28626
2004-10-01	1.10456
2005-01-01	0.92918
2005-04-01	0.89543
2005-07-01	0.65295
2005-10-01	0.74109
2006-01-01	0.74996
2006-04-01	0.76987
2006-07-01	0.03700
2006-10-01	0.03816
2007-01-01	0.03314
2007-04-01	0.07512
2007-07-01	0.04268
2007-10-01	0.51136
2008-01-01	0.50867
2008-04-01	0.50921
2008-07-01	0.42106
2008-10-01	0.41525
2009-01-01	0.40375
2009-04-01	0.41501
2009-07-01	0.36299
2009-10-01	0.35945
2010-01-01	0.35299
2010-04-01	0.11841
2010-07-01	0.01041
2010-10-01	0.01041
2011-01-01	0.01122
2011-04-01	0.03311
2011-07-01	0.02508
2011-10-01	0.01072
2012-01-01	0.01366
2012-04-01	0.01147
2012-07-01	0.01041
2012-10-01	0.01114
2013-01-01	0.01420
2013-04-01	0.02132
2013-07-01	0.02124
2013-10-01	0.05110
2014-01-01	0.08605
2014-04-01	0.05174
2014-07-01	0.05176
2014-10-01	0.03594
2015-01-01	0.01041
2015-04-01	0.01041