Quarter	Billions of US Dollars
1994-04-01	0.02000
1995-01-01	-0.02000
1996-04-01	0.02000
1996-07-01	-0.01000
1996-10-01	-0.01000
2006-04-01	0.18170
2008-04-01	-0.23428
2011-01-01	0.13242
2012-01-01	1.19829
2012-10-01	0.33539
2014-01-01	1.22034
2014-04-01	0.00894
2014-07-01	0.03355
2015-01-01	0.13290
2015-04-01	0.05674