Quarter	Billions of US Dollars
1989-10-01	-0.0220
1990-01-01	0.3710
1990-04-01	0.3430
1990-07-01	0.2480
1990-10-01	0.9900
1991-01-01	1.3990
1991-04-01	0.7610
1991-07-01	1.1810
1991-10-01	-1.0210
1992-01-01	0.7510
1992-04-01	2.3700
1992-07-01	-0.7610
1992-10-01	-1.3050
1993-01-01	-0.4490
1993-04-01	0.5090
1993-07-01	4.2155
1993-10-01	0.9947
1994-01-01	1.1000
1994-04-01	0.7833
1994-07-01	-0.2904
1994-10-01	-1.5536
1995-01-01	-0.5236
1995-04-01	0.3278
1995-07-01	2.1796
1995-10-01	0.6721
1996-01-01	-0.6426
1996-04-01	-0.7449
1996-07-01	-0.8316
1996-10-01	0.8329
1997-01-01	1.4399
1997-04-01	0.8405
1997-07-01	0.8179
1997-10-01	1.2778
1998-01-01	1.0091
1998-04-01	-2.7613
1998-07-01	-0.5461
1998-10-01	1.2581
1999-01-01	8.7346
1999-04-01	5.4574
1999-07-01	17.1449
1999-10-01	17.8513
2000-01-01	11.9234
2000-04-01	10.1096
2000-07-01	2.3307
2000-10-01	8.2273
2001-01-01	-8.2479
2001-04-01	-11.8135
2001-07-01	-11.5891
2001-10-01	-10.3773
2002-01-01	-1.3777
2002-04-01	2.8868
2002-07-01	6.0504
2002-10-01	-6.2847
2003-01-01	3.2932
2003-04-01	-3.2004
2003-07-01	-2.8809
2003-10-01	-3.6387
2004-01-01	11.5712
2004-04-01	1.1981
2004-07-01	-4.0281
2004-10-01	8.2401
2005-01-01	-1.1190
2005-04-01	-3.6916
2005-07-01	6.1955
2005-10-01	-2.3089
2006-01-01	0.9597
2006-04-01	0.7375
2006-07-01	-0.3465
2006-10-01	-0.5935
2007-01-01	5.4567
2007-04-01	6.7408
2007-07-01	47.9073
2007-10-01	29.9184
2008-01-01	34.3421
2008-04-01	16.2301
2008-07-01	-20.4509
2008-10-01	-25.6880
2009-01-01	-8.4100
2009-04-01	-23.1003
2009-07-01	5.6290
2009-10-01	-24.2677
2010-01-01	17.3874
2010-04-01	7.1836
2010-07-01	-10.1956
2010-10-01	-0.4045
2011-01-01	1.9416
2011-04-01	-14.7291
2011-07-01	0.4851
2011-10-01	4.3635
2012-01-01	53.9907
2012-04-01	-5.2110
2012-07-01	-16.9448
2012-10-01	3.8178
2013-01-01	-11.1544
2013-04-01	6.6035
2013-07-01	-4.5324
2013-10-01	5.0050
2014-01-01	-23.8349
2014-04-01	0.3473
2014-07-01	4.7925
2014-10-01	-1.8797
2015-01-01	15.2312
2015-04-01	16.1880