Quarter	Billions of US Dollars
1989-10-01	-4.5130
1990-01-01	4.4760
1990-04-01	3.5590
1990-07-01	4.5750
1990-10-01	-7.1460
1991-01-01	7.4260
1991-04-01	0.5530
1991-07-01	-2.0400
1991-10-01	-1.1230
1992-01-01	4.2960
1992-04-01	2.3470
1992-07-01	-1.1790
1992-10-01	-1.0840
1993-01-01	-5.5310
1993-04-01	1.2800
1993-07-01	51.5902
1993-10-01	-0.5192
1994-01-01	-0.2840
1994-04-01	2.5647
1994-07-01	0.4178
1994-10-01	-6.9127
1995-01-01	-4.2779
1995-04-01	-1.0921
1995-07-01	1.7422
1995-10-01	-1.3670
1996-01-01	0.7957
1996-04-01	10.3970
1996-07-01	-3.7230
1996-10-01	1.3618
1997-01-01	3.2624
1997-04-01	1.7987
1997-07-01	2.6069
1997-10-01	-5.8201
1998-01-01	6.4169
1998-04-01	4.7704
1998-07-01	5.4932
1998-10-01	-5.3130
1999-01-01	7.8427
1999-04-01	-3.9854
1999-07-01	2.7059
1999-10-01	-2.5284
2000-01-01	-4.0795
2000-04-01	4.9584
2000-07-01	11.7161
2000-10-01	13.5035
2001-01-01	1.0559
2001-04-01	-2.6316
2001-07-01	-9.1750
2001-10-01	2.2707
2002-01-01	-3.1908
2002-04-01	3.3910
2002-07-01	0.1692
2002-10-01	-8.2528
2003-01-01	9.5059
2003-04-01	-4.0321
2003-07-01	-1.7713
2003-10-01	9.5551
2004-01-01	6.4156
2004-04-01	-1.9362
2004-07-01	9.4475
2004-10-01	8.2512
2005-01-01	1.3549
2005-04-01	0.0542
2005-07-01	-7.2393
2005-10-01	-0.6924
2006-01-01	22.2714
2006-04-01	-4.1522
2006-07-01	18.3612
2006-10-01	23.0395
2007-01-01	39.2122
2007-04-01	19.3156
2007-07-01	7.4568
2007-10-01	-15.5104
2008-01-01	-6.6645
2008-04-01	-17.6354
2008-07-01	14.3000
2008-10-01	-16.3044
2009-01-01	-20.6276
2009-04-01	-7.5503
2009-07-01	4.4296
2009-10-01	-6.3286
2010-01-01	7.9385
2010-04-01	-23.4508
2010-07-01	-3.7854
2010-10-01	5.4772
2011-01-01	9.2717
2011-04-01	-4.5889
2011-07-01	12.8595
2011-10-01	-2.3964
2012-01-01	-5.9892
2012-04-01	5.0120
2012-07-01	4.1555
2012-10-01	24.6532
2013-01-01	6.3466
2013-04-01	2.0601
2013-07-01	13.5960
2013-10-01	-32.4628
2014-01-01	1.8560
2014-04-01	14.8032
2014-07-01	6.1187
2014-10-01	2.6879
2015-01-01	14.9531
2015-04-01	-16.0792