Quarter	Billions of US Dollars
1993-07-01	0.39397
1993-10-01	-0.00401
1994-01-01	0.05882
1994-04-01	-0.04514
1994-07-01	0.45631
1994-10-01	-0.28620
1995-01-01	-0.54131
1995-04-01	0.47700
1995-07-01	1.96286
1995-10-01	1.09580
1996-01-01	3.34414
1996-04-01	0.36221
1996-07-01	7.57416
1996-10-01	0.65536
1997-01-01	2.24608
1997-04-01	2.59198
1997-07-01	-5.71931
1997-10-01	0.67144
1998-01-01	0.78914
1998-04-01	0.10146
1998-07-01	-0.29356
1998-10-01	-0.16754
1999-01-01	0.95320
1999-04-01	2.66960
1999-07-01	0.45127
1999-10-01	1.21114
2000-01-01	1.91093
2000-04-01	-0.55347
2000-07-01	1.80141
2000-10-01	-1.40148
2001-01-01	4.47168
2001-04-01	-3.92591
2001-07-01	0.81858
2001-10-01	-5.09540
2002-01-01	1.17851
2002-04-01	-3.96781
2002-07-01	0.74686
2002-10-01	0.74631
2003-01-01	-7.27587
2003-04-01	-2.26357
2003-07-01	-2.89801
2003-10-01	0.71991
2004-01-01	1.44562
2004-04-01	0.99115
2004-07-01	0.29154
2004-10-01	0.44196
2005-01-01	0.98914
2005-04-01	-0.31659
2005-10-01	-0.28904
2006-01-01	0.26814
2006-04-01	-0.87400
2006-07-01	-1.33015
2006-10-01	-0.31088
2007-01-01	-2.03041
2007-07-01	1.00000
2007-10-01	-0.27623
2008-01-01	-0.64049
2008-04-01	-0.30198
2008-07-01	-0.56431
2008-10-01	0.80638
2009-01-01	-0.91378
2009-04-01	-0.50000
2009-07-01	1.75000
2009-10-01	1.67668
2010-01-01	-2.61983
2010-04-01	1.00000
2010-07-01	1.09747
2010-10-01	2.78799
2011-01-01	-0.54563
2011-04-01	1.00000
2011-07-01	1.00000
2012-01-01	2.73798
2012-04-01	0.74250
2013-01-01	-0.24496
2013-04-01	0.60446
2013-07-01	0.82136
2013-10-01	3.90000
2014-01-01	2.35369
2014-04-01	1.18324
2014-07-01	-0.54750
2014-10-01	2.00000
2015-01-01	5.31505
2015-04-01	0.64368