Quarter	Billions of US Dollars
1989-10-01	-0.3370
1990-01-01	0.8180
1990-04-01	1.3770
1990-07-01	1.0390
1990-10-01	1.9120
1991-01-01	2.5650
1991-04-01	1.5820
1991-07-01	3.3190
1991-10-01	-1.4130
1992-01-01	3.9870
1992-04-01	-1.2730
1992-07-01	-3.6300
1992-10-01	-0.7130
1993-01-01	-1.3000
1993-04-01	1.3930
1993-07-01	6.4175
1993-10-01	1.1778
1994-01-01	1.4556
1994-04-01	1.7577
1994-07-01	0.0911
1994-10-01	-0.1472
1995-01-01	0.7943
1995-04-01	2.0762
1995-07-01	1.4084
1995-10-01	1.7267
1996-01-01	0.3018
1996-04-01	-0.9094
1996-07-01	-0.2875
1996-10-01	1.7313
1997-01-01	2.0208
1997-04-01	-1.1452
1997-07-01	1.8475
1997-10-01	3.5685
1998-01-01	-0.8462
1998-04-01	-2.7682
1998-07-01	2.2996
1998-10-01	7.7662
1999-01-01	25.1563
1999-04-01	5.6311
1999-07-01	28.4170
1999-10-01	21.1375
2000-01-01	15.9312
2000-04-01	14.3438
2000-07-01	6.8169
2000-10-01	13.3750
2001-01-01	5.2500
2001-04-01	-15.5846
2001-07-01	-15.4729
2001-10-01	-4.3322
2002-01-01	9.7346
2002-04-01	-5.9230
2002-07-01	20.0460
2002-10-01	2.8928
2003-01-01	25.7736
2003-04-01	6.4829
2003-07-01	-14.3629
2003-10-01	20.6862
2004-01-01	11.0036
2004-04-01	0.6793
2004-07-01	13.7390
2004-10-01	5.2817
2005-01-01	24.8616
2005-04-01	5.0852
2005-07-01	-1.2046
2005-10-01	-12.7217
2006-01-01	24.4719
2006-04-01	28.6965
2006-07-01	2.9561
2006-10-01	-15.6869
2007-01-01	60.1418
2007-04-01	36.3033
2007-07-01	3.6594
2007-10-01	-30.0005
2008-01-01	93.2641
2008-04-01	32.8689
2008-07-01	-3.1801
2008-10-01	-57.8317
2009-01-01	-7.9202
2009-04-01	-29.8145
2009-07-01	20.7591
2009-10-01	-80.7119
2010-01-01	24.0261
2010-04-01	-2.1260
2010-07-01	-8.5321
2010-10-01	-43.1663
2011-01-01	3.7172
2011-04-01	-22.7548
2011-07-01	21.5588
2011-10-01	5.6090
2012-01-01	78.6274
2012-04-01	-24.8043
2012-07-01	-41.6343
2012-10-01	-39.0519
2013-01-01	-8.4976
2013-04-01	2.6019
2013-07-01	1.1391
2013-10-01	-10.2973
2014-01-01	-7.4136
2014-04-01	12.3740
2014-07-01	13.6147
2014-10-01	-9.4302
2015-01-01	37.7219
2015-04-01	3.5935