Quarter	Billions of US Dollars
1994-07-01	0.16147
1994-10-01	0.38740
1995-01-01	0.43362
1995-04-01	0.73362
1995-07-01	0.54669
1995-10-01	0.30000
1996-01-01	0.30004
1996-04-01	0.00004
1996-07-01	0.00004
1996-10-01	0.00004
1997-01-01	0.06849
1997-04-01	0.06239
1997-07-01	0.06100
1997-10-01	0.05774
1999-07-01	0.32756
1999-10-01	0.34247
2000-01-01	0.33066
2000-04-01	0.33207
2001-04-01	0.25000
2001-07-01	0.25000
2001-10-01	0.25000
2002-01-01	0.25000
2005-10-01	1.17970
2006-01-01	1.21040
2006-04-01	1.27130
2006-07-01	1.26600
2007-10-01	0.15000
2008-01-01	0.15000
2008-04-01	0.50000
2008-07-01	0.50000
2008-10-01	0.35000
2009-01-01	0.35000
2010-01-01	0.13479
2010-04-01	0.12271
2010-07-01	0.23202
2010-10-01	0.22715
2011-01-01	0.31255
2011-04-01	0.31797
2011-07-01	0.34458
2011-10-01	0.50714
2012-01-01	0.28699
2012-04-01	0.49534
2012-07-01	0.64465
2012-10-01	0.51326
2013-01-01	0.48349
2013-04-01	0.76453
2013-07-01	0.59581
2013-10-01	0.61354
2014-01-01	0.59652
2014-04-01	0.40863
2014-07-01	0.46240
2014-10-01	0.45272
2015-01-01	0.41750
2015-04-01	0.95381