Quarter	Billions of US Dollars
1989-10-01	-0.3150
1990-01-01	0.4470
1990-04-01	1.0340
1990-07-01	0.7910
1990-10-01	0.9220
1991-01-01	1.1660
1991-04-01	0.8210
1991-07-01	2.1380
1991-10-01	-0.3920
1992-01-01	3.2360
1992-04-01	-3.6430
1992-07-01	-2.8690
1992-10-01	0.5920
1993-01-01	-0.8510
1993-04-01	0.8840
1993-07-01	2.2020
1993-10-01	0.1831
1994-01-01	0.3556
1994-04-01	0.9743
1994-07-01	0.3815
1994-10-01	1.4064
1995-01-01	1.3179
1995-04-01	1.7484
1995-07-01	-0.7712
1995-10-01	1.0546
1996-01-01	0.9444
1996-04-01	-0.1646
1996-07-01	0.5441
1996-10-01	0.8984
1997-01-01	0.5809
1997-04-01	-1.9857
1997-07-01	1.0296
1997-10-01	2.2907
1998-01-01	-1.8553
1998-04-01	-0.0068
1998-07-01	2.8457
1998-10-01	6.5082
1999-01-01	16.4217
1999-04-01	0.1737
1999-07-01	11.2721
1999-10-01	3.2862
2000-01-01	4.0078
2000-04-01	4.2341
2000-07-01	4.4863
2000-10-01	5.1477
2001-01-01	13.4978
2001-04-01	-3.7710
2001-07-01	-3.8837
2001-10-01	6.0451
2002-01-01	11.1124
2002-04-01	-8.8098
2002-07-01	13.9957
2002-10-01	9.1774
2003-01-01	22.4803
2003-04-01	9.6833
2003-07-01	-11.4820
2003-10-01	24.3249
2004-01-01	-0.5677
2004-04-01	-0.5188
2004-07-01	17.7671
2004-10-01	-2.9584
2005-01-01	25.9806
2005-04-01	8.7768
2005-07-01	-7.4002
2005-10-01	-10.4128
2006-01-01	23.5122
2006-04-01	27.9591
2006-07-01	3.3027
2006-10-01	-15.0934
2007-01-01	54.6851
2007-04-01	29.5624
2007-07-01	-44.2479
2007-10-01	-59.9189
2008-01-01	58.9220
2008-04-01	16.6388
2008-07-01	17.2708
2008-10-01	-32.1436
2009-01-01	0.4898
2009-04-01	-6.7142
2009-07-01	15.1301
2009-10-01	-56.4441
2010-01-01	6.6387
2010-04-01	-9.3097
2010-07-01	1.6635
2010-10-01	-42.7619
2011-01-01	1.7755
2011-04-01	-8.0257
2011-07-01	21.0737
2011-10-01	1.2455
2012-01-01	24.6367
2012-04-01	-19.5933
2012-07-01	-24.6894
2012-10-01	-42.8697
2013-01-01	2.6568
2013-04-01	-4.0015
2013-07-01	5.6714
2013-10-01	-15.3023
2014-01-01	16.4213
2014-04-01	12.0267
2014-07-01	8.8222
2014-10-01	-7.5506
2015-01-01	22.4907
2015-04-01	-12.5945