Quarter	Billions of US Dollars
1993-07-01	0.77518
1993-10-01	1.00000
1994-01-01	0.70052
1994-04-01	-0.12036
1994-07-01	1.51692
1994-10-01	0.54884
1995-01-01	0.89952
1995-04-01	1.33134
1995-07-01	-0.10473
1995-10-01	0.95864
1996-01-01	0.37996
1996-04-01	1.03519
1996-07-01	0.05499
1996-10-01	-0.15614
1997-01-01	0.51469
1997-04-01	0.73987
1997-07-01	0.47849
1997-10-01	0.74372
1998-01-01	0.73335
1998-04-01	0.09146
1998-07-01	0.00522
1998-10-01	-0.01675
1999-01-01	-1.54049
1999-04-01	-0.02044
1999-07-01	-0.28992
1999-10-01	0.73442
2000-01-01	-0.49134
2000-04-01	-0.84963
2000-07-01	-0.07954
2000-10-01	0.11846
2001-01-01	0.36814
2001-04-01	0.21886
2001-07-01	0.75809
2001-10-01	0.79715
2002-01-01	-0.24016
2002-04-01	-0.62141
2002-07-01	0.68522
2002-10-01	-0.38903
2003-01-01	2.38171
2003-04-01	1.16881
2003-07-01	-0.09069
2003-10-01	-0.00332
2004-01-01	-0.71746
2004-07-01	-1.00000
2004-10-01	0.64703
2005-01-01	-0.06519
2005-04-01	-1.03791
2005-10-01	4.53059
2006-01-01	3.60540
2006-07-01	0.64164
2006-10-01	0.36883
2007-04-01	3.18202
2007-07-01	-2.74853
2007-10-01	-0.11509
2008-01-01	3.99197
2008-04-01	-1.00296
2008-07-01	-0.13699
2008-10-01	2.05402
2009-01-01	3.14391
2009-04-01	4.10890
2009-07-01	1.91784
2009-10-01	2.93188
2010-01-01	0.02910
2010-04-01	-0.16486
2010-07-01	1.94825
2010-10-01	-2.02502
2011-01-01	2.83880
2011-04-01	-7.60834
2011-07-01	0.22666
2011-10-01	0.20860
2012-01-01	-0.74473
2012-04-01	-0.12773
2012-07-01	-3.11496
2012-10-01	2.59447
2013-01-01	-1.18630
2013-04-01	-0.08700
2013-07-01	-0.00696
2013-10-01	-0.01444
2014-01-01	-1.82853
2014-04-01	-3.42793
2014-07-01	4.49338
2014-10-01	-5.43841
2015-01-01	-1.31850