Quarter	Billions of US Dollars
1997-04-01	0.13238
1998-04-01	0.01004
1999-04-01	-0.01176
2001-01-01	0.01201
2001-10-01	0.15903
2002-01-01	-0.01136
2002-04-01	-0.09337
2003-04-01	0.05799
2003-07-01	0.10845
2003-10-01	0.02952
2004-01-01	0.01840
2004-04-01	0.02541
2004-07-01	-0.02167
2004-10-01	-0.01812
2005-04-01	-0.04010
2005-07-01	0.20858
2005-10-01	0.01927
2006-01-01	0.10934
2006-04-01	-0.00987
2006-07-01	0.00139
2006-10-01	0.01151
2007-01-01	-0.02271
2007-04-01	-0.02930
2007-07-01	-0.05926
2007-10-01	-0.02666
2008-01-01	0.00150
2008-04-01	-0.01124
2008-07-01	-0.05148
2009-01-01	-0.06030
2009-04-01	0.29350
2009-07-01	-1.69508
2009-10-01	0.02475
2010-01-01	0.33613
2010-04-01	0.09619
2010-07-01	-0.05770
2010-10-01	0.07983
2011-01-01	-0.02558
2011-04-01	0.00831
2011-07-01	0.00322
2011-10-01	-0.13188
2012-01-01	0.00650
2012-04-01	-0.12093
2012-07-01	-2.45433
2012-10-01	-0.35587
2013-01-01	-0.07238
2013-04-01	0.05140
2013-07-01	-0.07565
2013-10-01	-0.00207
2014-01-01	-0.03087
2014-04-01	-0.00208
2014-07-01	0.03694
2014-10-01	0.00117
2015-04-01	-0.05462