Quarter	Billions of US Dollars
1994-07-01	0.25510
1995-10-01	0.06250
1996-10-01	0.28000
1998-01-01	0.20000
1998-04-01	0.96115
1998-07-01	0.18380
1998-10-01	0.20000
1999-04-01	0.41220
1999-07-01	0.22754
1999-10-01	0.16047
2000-01-01	0.65298
2000-04-01	0.13838
2000-07-01	0.18694
2001-04-01	0.21993
2002-04-01	0.14312
2003-04-01	0.57444
2003-10-01	0.28686
2004-04-01	1.44298
2006-01-01	1.20195
2007-04-01	1.34814
2009-04-01	2.72044
2010-04-01	2.04820
2011-01-01	1.70311
2011-04-01	1.44456
2012-01-01	0.47031
2012-04-01	3.07932
2013-01-01	0.61255
2013-04-01	1.60759
2013-07-01	0.97096
2013-10-01	2.52786
2014-01-01	0.56203
2014-04-01	1.35414
2015-01-01	0.56893