Quarter	Billions of US Dollars
1994-01-01	0.07100
1994-04-01	0.07100
1994-07-01	0.07100
1994-10-01	0.07100
1995-01-01	0.07100
1995-04-01	0.07100
1995-07-01	0.07100
1995-10-01	0.08325
1996-01-01	0.07550
1996-04-01	0.06550
1996-07-01	0.05775
1996-10-01	0.05775
1997-01-01	0.01000
1998-01-01	0.00500
1998-04-01	0.00500
1998-07-01	0.00500
1998-10-01	0.15500
1999-01-01	0.15500
1999-04-01	0.15500
1999-07-01	0.15430
1999-10-01	0.15349
2000-01-01	0.15349
2000-04-01	0.15349
2000-07-01	0.15349
2000-10-01	0.15000
2001-01-01	0.15000
2001-04-01	0.15000
2001-07-01	0.15000
2001-10-01	0.15000
2002-01-01	0.15000
2002-04-01	0.15000
2002-07-01	0.15000
2002-10-01	0.15000
2003-01-01	0.15000
2003-04-01	0.15000
2003-07-01	0.15000
2003-10-01	0.15000
2004-01-01	0.15000
2004-04-01	0.15000
2004-07-01	0.15000
2004-10-01	0.15000
2005-01-01	0.15000
2005-04-01	0.15000
2005-07-01	0.15000
2005-10-01	0.43000
2006-01-01	0.53000
2006-04-01	0.53000
2006-07-01	0.74300
2006-10-01	1.37700
2007-01-01	1.37700
2007-04-01	1.67071
2007-07-01	2.17388
2007-10-01	2.17708
2008-01-01	2.18032
2008-04-01	2.18359
2008-07-01	2.33690
2008-10-01	2.19024
2009-01-01	2.19362
2009-04-01	2.19703
2009-07-01	2.20048
2009-10-01	2.30397
2010-01-01	2.42510
2010-04-01	2.42539
2010-07-01	2.43642
2010-10-01	2.54458
2011-01-01	2.63112
2011-04-01	2.63453
2011-07-01	2.62450
2011-10-01	2.92775
2012-01-01	3.83610
2012-04-01	4.06487
2012-07-01	4.53438
2012-10-01	4.40817
2013-01-01	4.90835
2013-04-01	4.90815
2013-07-01	4.91402
2013-10-01	5.14718
2014-01-01	5.15243
2014-04-01	5.73890
2014-07-01	6.22000
2014-10-01	6.68255
2015-01-01	6.87734
2015-04-01	7.89987