Quarter	Billions of US Dollars
1993-07-01	0.7352
1993-10-01	0.3000
1994-01-01	0.3000
1994-04-01	0.3000
1994-07-01	0.3000
1994-10-01	0.3000
1995-01-01	0.3000
1995-04-01	0.3000
1995-07-01	0.3000
1995-10-01	0.3000
1996-01-01	0.3000
1996-04-01	0.3000
1996-07-01	0.7000
1996-10-01	0.7000
1997-01-01	0.7000
1997-04-01	0.7000
1997-07-01	0.7000
1997-10-01	0.7000
1998-01-01	0.7000
1998-04-01	0.7000
1998-07-01	0.7000
1998-10-01	0.7000
1999-01-01	0.7000
1999-04-01	0.7000
1999-07-01	0.7000
1999-10-01	0.7000
2000-01-01	0.7000
2000-04-01	0.7000
2000-07-01	0.7000
2000-10-01	0.7000
2001-01-01	0.4000
2001-04-01	0.4000
2001-07-01	0.4000
2001-10-01	0.4000
2002-01-01	0.4000
2002-04-01	0.4000
2002-07-01	0.4000
2002-10-01	0.4000
2003-01-01	0.4000
2003-04-01	0.4000
2003-07-01	0.4000
2003-10-01	0.4000
2004-01-01	1.4000
2004-04-01	1.4000
2004-07-01	1.4000
2004-10-01	1.4000
2005-01-01	1.4000
2005-04-01	2.4000
2005-07-01	2.4000
2005-10-01	3.9000
2006-01-01	5.9000
2006-04-01	5.9000
2006-07-01	5.5000
2006-10-01	5.5000
2007-01-01	7.0000
2007-04-01	7.0000
2007-07-01	7.0000
2007-10-01	7.0000
2008-01-01	9.0000
2008-04-01	11.2000
2008-07-01	11.2000
2008-10-01	11.2000
2009-01-01	16.2000
2009-04-01	16.8500
2009-07-01	17.2399
2009-10-01	17.2302
2010-01-01	19.2253
2010-04-01	19.2450
2010-07-01	19.2697
2010-10-01	20.0164
2011-01-01	19.9928
2011-04-01	22.5269
2011-07-01	22.5897
2011-10-01	22.5723
2012-01-01	26.0064
2012-04-01	28.5480
2012-07-01	28.5747
2012-10-01	29.1409
2013-01-01	28.9963
2013-04-01	31.9294
2013-07-01	32.9357
2013-10-01	32.8220
2014-01-01	35.5570
2014-04-01	33.9301
2014-07-01	36.3737
2014-10-01	36.2226
2015-01-01	41.9689
2015-04-01	41.0376