Quarter	Billions of US Dollars
1996-04-01	0.04052
1997-01-01	0.01844
1997-04-01	0.00875
1997-07-01	0.06761
1997-10-01	0.02150
1998-04-01	0.00297
1998-10-01	-0.00722
1999-01-01	0.05416
1999-04-01	0.05311
1999-07-01	0.01056
1999-10-01	-0.02220
2000-01-01	-0.01513
2000-04-01	-0.02052
2000-07-01	-0.01154
2000-10-01	-0.00169
2001-01-01	-0.00708
2001-04-01	-0.02103
2001-07-01	-0.00152
2001-10-01	-0.01548
2002-01-01	-0.04381
2002-04-01	0.05184
2002-07-01	0.19778
2002-10-01	-0.00365
2003-04-01	-0.00413
2003-07-01	-1.12401
2003-10-01	-0.00231
2004-04-01	0.03285
2004-07-01	-0.01222
2005-10-01	0.18976
2006-01-01	-0.06612
2007-04-01	-0.13481
2007-10-01	0.03796
2011-07-01	0.32216
2012-04-01	0.39526
2013-04-01	0.15331
2014-01-01	0.13541
2014-04-01	-0.03942