Quarter	Billions of US Dollars
1989-10-01	-0.0010
1990-01-01	-0.0820
1990-04-01	0.0800
1990-07-01	0.6990
1990-10-01	-0.6640
1991-01-01	0.0760
1991-04-01	0.1250
1991-07-01	-0.2290
1991-10-01	-0.0070
1992-01-01	0.1700
1992-04-01	0.0640
1992-07-01	0.3590
1992-10-01	-0.5960
1993-01-01	0.6070
1993-04-01	-0.0650
1993-07-01	0.4870
1993-10-01	0.5918
1994-01-01	0.3165
1994-04-01	0.2157
1994-07-01	-0.2349
1994-10-01	0.0318
1995-01-01	0.3382
1995-04-01	-0.1438
1995-07-01	0.4436
1995-10-01	0.5787
1996-01-01	-0.5416
1996-04-01	-0.1839
1996-07-01	-0.7147
1996-10-01	-0.6757
1997-01-01	-0.0134
1997-04-01	0.0617
1997-07-01	0.3533
1997-10-01	0.6304
1998-01-01	0.9860
1998-04-01	-1.0427
1998-07-01	0.6465
1998-10-01	0.3814
1999-01-01	-0.1222
1999-04-01	0.1236
1999-07-01	1.1929
1999-10-01	1.2860
2000-01-01	-0.2760
2000-04-01	1.2730
2000-07-01	0.9079
2000-10-01	4.5458
2001-01-01	-0.3665
2001-04-01	-0.0804
2001-07-01	-1.5051
2001-10-01	1.6775
2002-01-01	0.6889
2002-04-01	1.4205
2002-07-01	0.5357
2002-10-01	-0.3422
2003-01-01	-0.6628
2003-04-01	-0.9473
2003-07-01	-0.1672
2003-10-01	1.0919
2004-01-01	2.9405
2004-04-01	2.1280
2004-07-01	-0.9498
2004-10-01	-2.5763
2005-01-01	-0.2931
2005-04-01	0.4328
2005-07-01	2.3175
2005-10-01	-1.4176
2006-01-01	3.1514
2006-04-01	-0.2204
2006-07-01	-0.0918
2006-10-01	3.6433
2007-01-01	-0.3812
2007-04-01	2.2467
2007-07-01	4.1621
2007-10-01	13.6857
2008-01-01	1.6521
2008-04-01	17.6454
2008-07-01	-15.6688
2008-10-01	5.5374
2009-01-01	-0.3717
2009-04-01	-9.0975
2009-07-01	-4.8684
2009-10-01	-14.3581
2010-01-01	3.6411
2010-04-01	3.2643
2010-07-01	9.9942
2010-10-01	13.4962
2011-01-01	0.2706
2011-04-01	3.7379
2011-07-01	-6.7507
2011-10-01	-8.5365
2012-01-01	10.3503
2012-04-01	4.3884
2012-07-01	-4.6440
2012-10-01	-0.3627
2013-01-01	4.6093
2013-04-01	2.2175
2013-07-01	-5.0629
2013-10-01	6.8314
2014-01-01	-4.9891
2014-04-01	4.4385
2014-07-01	2.9749
2014-10-01	1.3278
2015-01-01	-1.3257
2015-04-01	-2.3615
