Quarter	Billions of US Dollars
1993-07-01	0.4305
1993-10-01	-0.0263
1994-01-01	0.0988
1994-04-01	0.0286
1994-07-01	-0.1133
1994-10-01	-0.0251
1995-01-01	0.0148
1995-04-01	0.6685
1995-07-01	0.7722
1995-10-01	0.4683
1996-01-01	-0.0350
1996-04-01	0.3495
1996-07-01	1.7090
1996-10-01	1.4027
1997-01-01	-0.2832
1997-04-01	-0.4887
1997-07-01	-0.7888
1997-10-01	-2.0022
1998-01-01	-0.4521
1998-04-01	0.3757
1998-07-01	-0.6102
1998-10-01	-0.0911
1999-01-01	0.0709
1999-04-01	-0.2339
1999-07-01	0.0193
1999-10-01	0.2331
2000-01-01	0.1636
2000-04-01	0.8819
2000-07-01	0.2595
2000-10-01	-0.0210
2001-01-01	-0.7012
2001-04-01	0.2291
2001-07-01	-0.4788
2001-10-01	-0.2022
2002-01-01	-0.3719
2002-04-01	0.3503
2002-07-01	1.2270
2002-10-01	-0.2107
2003-01-01	0.1889
2003-04-01	-0.2620
2003-07-01	0.1802
2003-10-01	0.3287
2004-01-01	0.0068
2004-04-01	-0.3396
2004-07-01	0.1900
2004-10-01	0.6131
2005-01-01	0.4478
2005-04-01	0.6462
2005-07-01	-1.4429
2005-10-01	0.4349
2006-01-01	0.4988
2006-04-01	0.9925
2006-07-01	1.1629
2006-10-01	-0.4841
2007-01-01	0.5793
2007-04-01	0.2280
2007-07-01	1.0120
2007-10-01	0.1560
2008-01-01	1.3219
2008-04-01	1.6316
2008-07-01	-0.2553
2008-10-01	-5.3169
2009-01-01	0.2801
2009-04-01	2.6792
2009-07-01	1.1020
2009-10-01	0.0340
2010-01-01	-0.0739
2010-04-01	-0.1732
2010-07-01	-0.0809
2010-10-01	-0.9120
2011-01-01	1.3814
2011-04-01	2.8326
2011-07-01	1.4048
2011-10-01	3.5262
2012-01-01	10.0045
2012-04-01	2.7011
2012-07-01	0.4182
2012-10-01	3.7354
2013-01-01	7.2915
2013-04-01	5.6664
2013-07-01	8.9438
2013-10-01	7.7664
2014-01-01	15.3153
2014-04-01	11.0033
2014-07-01	6.7330
2014-10-01	-2.2368
2015-01-01	-0.0002
2015-04-01	-3.8865