Quarter	Billions of US Dollars
1989-10-01	-5.8450
1990-01-01	5.2970
1990-04-01	3.4640
1990-07-01	6.1050
1990-10-01	-4.2670
1991-01-01	9.1180
1991-04-01	2.2610
1991-07-01	-1.4720
1991-10-01	0.2620
1992-01-01	5.9700
1992-04-01	3.8730
1992-07-01	4.7650
1992-10-01	-0.0410
1993-01-01	-13.3570
1993-04-01	0.2910
1993-07-01	68.1940
1993-10-01	-0.0897
1994-01-01	0.9921
1994-04-01	0.7955
1994-07-01	0.3434
1994-10-01	-5.2548
1995-01-01	-6.3561
1995-04-01	0.7007
1995-07-01	5.7397
1995-10-01	2.0259
1996-01-01	1.8559
1996-04-01	19.7920
1996-07-01	-10.0805
1996-10-01	6.2630
1997-01-01	1.0119
1997-04-01	5.4862
1997-07-01	10.4476
1997-10-01	-5.9353
1998-01-01	7.5868
1998-04-01	5.6441
1998-07-01	8.5540
1998-10-01	-6.4665
1999-01-01	7.4216
1999-04-01	-1.9065
1999-07-01	0.1747
1999-10-01	-6.8828
2000-01-01	1.7372
2000-04-01	9.3657
2000-07-01	15.2573
2000-10-01	20.3993
2001-01-01	2.1107
2001-04-01	-12.4705
2001-07-01	-19.0341
2001-10-01	-1.5847
2002-01-01	-8.2676
2002-04-01	9.1833
2002-07-01	-2.9151
2002-10-01	-5.9436
2003-01-01	14.5676
2003-04-01	-5.5329
2003-07-01	-3.4326
2003-10-01	7.7371
2004-01-01	17.2073
2004-04-01	1.5246
2004-07-01	8.2453
2004-10-01	4.8501
2005-01-01	3.1784
2005-04-01	3.8594
2005-07-01	-2.2201
2005-10-01	-2.0590
2006-01-01	24.2201
2006-04-01	-0.7052
2006-07-01	18.9382
2006-10-01	35.9363
2007-01-01	43.6576
2007-04-01	41.5373
2007-07-01	10.0934
2007-10-01	-16.0369
2008-01-01	5.2241
2008-04-01	-11.7365
2008-07-01	4.9117
2008-10-01	-47.5729
2009-01-01	-21.5869
2009-04-01	-16.4719
2009-07-01	15.4058
2009-10-01	-5.0527
2010-01-01	17.1003
2010-04-01	-37.9344
2010-07-01	25.6541
2010-10-01	-22.0161
2011-01-01	16.7546
2011-04-01	-7.2140
2011-07-01	5.1320
2011-10-01	-6.4011
2012-01-01	11.7084
2012-04-01	10.1851
2012-07-01	6.7335
2012-10-01	26.3276
2013-01-01	7.8700
2013-04-01	6.0943
2013-07-01	20.6984
2013-10-01	-22.4214
2014-01-01	-3.7171
2014-04-01	21.4062
2014-07-01	13.9203
2014-10-01	3.4765
2015-01-01	17.5966
2015-04-01	-18.8619