Quarter	Billions of US Dollars
1975-01-01	0.06000
1975-04-01	0.04000
1996-01-01	0.05000
1996-04-01	0.72151
1996-07-01	0.27166
1997-01-01	0.08590
1997-04-01	0.35178
2000-07-01	0.12996
2000-10-01	0.12954
2001-01-01	0.27680
2001-04-01	0.51733
2001-07-01	0.11449
2002-04-01	0.62227
2002-10-01	0.43989
2003-04-01	0.81357
2005-04-01	0.61364
2008-04-01	1.16640
2010-01-01	1.42908
2011-04-01	2.15887
2012-01-01	3.25540
2012-04-01	0.75000
2012-07-01	0.94346
2012-10-01	1.94589
2013-01-01	1.50000
2013-07-01	1.98674
2013-10-01	1.36479
2014-01-01	2.00000
2014-04-01	1.71397
2014-10-01	1.87356