Quarter	Billions of US Dollars
1995-07-01	0.10120
1997-04-01	0.25128
1997-07-01	0.17823
1997-10-01	0.09442
1998-04-01	0.78927
1998-07-01	0.21651
1999-01-01	0.30959
1999-04-01	0.18126
1999-10-01	0.47241
2000-07-01	0.19485
2000-10-01	0.50006
2001-01-01	0.21185
2001-04-01	0.10746
2001-07-01	0.24658
2001-10-01	0.46371
2002-01-01	0.67131
2002-04-01	0.11289
2002-07-01	-0.37553
2002-10-01	-0.20116
2003-01-01	0.15912
2003-04-01	-0.42156
2003-07-01	0.02657
2003-10-01	-0.11745
2004-01-01	-0.24059
2004-04-01	-0.34203
2004-07-01	-0.10327
2004-10-01	-0.27976
2005-01-01	-0.09644
2005-04-01	-0.12760
2005-07-01	-0.10630
2005-10-01	-0.32437
2006-01-01	-0.13556
2006-04-01	-0.20305
2006-07-01	-0.14940
2006-10-01	-0.12370
2007-01-01	-0.06026
2007-04-01	-0.05070
2007-07-01	-0.03915
2007-10-01	0.32685
2008-01-01	-0.39804
2008-04-01	-0.05496
2008-07-01	0.00760
2008-10-01	-0.02838
2009-01-01	0.10289
2009-04-01	-0.15530
2009-07-01	-0.00676
2010-01-01	-0.06419
2010-07-01	-0.20543
2010-10-01	-0.04348
2011-01-01	-0.12545
2011-07-01	0.04097
2011-10-01	-0.11570
2012-07-01	-0.01289
2012-10-01	-0.46273
2013-01-01	-0.11145
2013-04-01	-0.02005
2013-07-01	0.04795
2013-10-01	-0.00103
2014-04-01	0.00223
2014-07-01	-0.00151
2014-10-01	-0.02155