Quarter	Billions of US Dollars
1993-07-01	0.8354
1993-10-01	0.7517
1994-01-01	2.8115
1994-04-01	0.0174
1994-07-01	0.2308
1994-10-01	-0.4595
1995-01-01	-1.4055
1995-04-01	0.0510
1995-07-01	0.1538
1995-10-01	0.0444
1996-01-01	-0.3000
1996-04-01	-0.0619
1996-07-01	-0.3922
1996-10-01	-0.1838
1997-01-01	0.5255
1997-04-01	1.4669
1997-07-01	2.2294
1997-10-01	-0.6510
1998-01-01	1.2353
1998-04-01	-0.0493
1998-07-01	0.9341
1998-10-01	0.0328
1999-01-01	-0.4827
1999-04-01	2.0971
1999-07-01	-0.1847
1999-10-01	0.2951
2000-01-01	1.2975
2000-04-01	0.3427
2000-07-01	0.0002
2000-10-01	-0.9386
2001-01-01	0.8649
2001-04-01	-0.0821
2001-07-01	0.4670
2001-10-01	-0.2450
2002-01-01	-1.3433
2002-04-01	-1.0078
2002-07-01	-0.8742
2002-10-01	0.1084
2003-01-01	-1.0648
2003-04-01	-0.7409
2003-07-01	-0.8629
2003-10-01	1.0871
2004-01-01	0.2961
2004-04-01	-1.6407
2004-07-01	-0.0613
2004-10-01	-0.0852
2005-01-01	1.8287
2005-04-01	0.4675
2005-07-01	1.0870
2005-10-01	0.8112
2006-01-01	0.4006
2006-04-01	-0.9522
2006-07-01	-0.0335
2006-10-01	1.5584
2007-01-01	1.1053
2007-04-01	-0.6611
2007-07-01	-0.6704
2007-10-01	1.8191
2008-01-01	-0.3566
2008-04-01	-0.8932
2008-07-01	0.0048
2008-10-01	-2.4960
2009-01-01	0.4821
2009-04-01	0.3498
2009-07-01	2.5896
2009-10-01	5.3540
2010-01-01	5.7231
2010-04-01	6.6613
2010-07-01	2.6368
2010-10-01	-2.8155
2011-01-01	3.1497
2011-04-01	4.2393
2011-07-01	4.8617
2011-10-01	4.7364
2012-01-01	5.3504
2012-04-01	2.5066
2012-07-01	7.7513
2012-10-01	5.8722
2013-01-01	4.2114
2013-04-01	2.4194
2013-07-01	9.6533
2013-10-01	8.4227
2014-01-01	3.6692
2014-04-01	5.3680
2014-07-01	4.0256
2014-10-01	4.0461
2015-01-01	2.3403
2015-04-01	10.1221