Quarter	Billions of US Dollars
1996-04-01	-0.25000
1998-07-01	0.08248
1999-01-01	0.57910
1999-04-01	1.27284
1999-10-01	0.53220
2000-01-01	0.20578
2000-10-01	0.33500
2001-04-01	0.86221
2003-01-01	1.08131
2003-07-01	1.04387
2004-01-01	1.23946
2004-04-01	0.74839
2004-07-01	0.78578
2004-10-01	1.36310
2005-01-01	2.78766
2005-04-01	0.95767
2005-07-01	0.68598
2005-10-01	-0.70651
2006-01-01	2.52042
2006-04-01	-0.75000
2006-07-01	0.63251
2006-10-01	-0.10000
2007-01-01	1.29475
2007-10-01	0.21425
2008-04-01	2.66722
2009-01-01	-0.65090
2009-04-01	-0.51401
2009-07-01	1.68521
2010-01-01	2.00000
2010-07-01	-1.64057
2011-01-01	3.75000
2011-04-01	0.50386
2011-10-01	-1.34767
2012-07-01	-0.57248
2012-10-01	-1.29726
2013-01-01	1.38857
2013-04-01	-0.15927
2013-10-01	3.21946
2014-01-01	1.63033
2014-04-01	-0.84152
2014-07-01	-2.42851
2015-01-01	-1.50000