Quarter	Billions of US Dollars
1989-10-01	-0.1670
1990-01-01	0.2470
1990-04-01	0.0430
1990-07-01	0.1260
1990-10-01	0.1230
1991-01-01	0.4440
1991-04-01	-0.4100
1991-07-01	-0.1230
1991-10-01	-0.2020
1992-01-01	0.1790
1992-04-01	-0.1440
1992-07-01	-0.4200
1992-10-01	0.2230
1993-01-01	0.0380
1993-04-01	-0.2330
1993-07-01	0.3466
1993-10-01	0.3526
1994-01-01	1.8619
1994-04-01	0.6925
1994-07-01	-0.1995
1994-10-01	0.5240
1995-01-01	0.5166
1995-04-01	1.1329
1995-07-01	0.6685
1995-10-01	1.4026
1996-01-01	1.1490
1996-04-01	4.2566
1996-07-01	0.1433
1996-10-01	1.1198
1997-01-01	2.6296
1997-04-01	-0.9389
1997-07-01	0.0811
1997-10-01	1.9889
1998-01-01	-0.0271
1998-04-01	-1.4123
1998-07-01	2.8709
1998-10-01	0.3533
1999-01-01	-2.2489
1999-04-01	4.3570
1999-07-01	4.3928
1999-10-01	5.1112
2000-01-01	3.2423
2000-04-01	18.5596
2000-07-01	2.8314
2000-10-01	1.6193
2001-01-01	-6.3575
2001-04-01	5.1447
2001-07-01	1.7265
2001-10-01	-2.4207
2002-01-01	-11.3936
2002-04-01	-4.6059
2002-07-01	-4.1350
2002-10-01	-5.6784
2003-01-01	-2.5772
2003-04-01	-1.3169
2003-07-01	-3.8972
2003-10-01	-0.3024
2004-01-01	-1.3597
2004-04-01	0.8050
2004-07-01	-2.6531
2004-10-01	-0.2213
2005-01-01	2.8085
2005-04-01	-2.0894
2005-07-01	3.2722
2005-10-01	-5.7261
2006-01-01	0.5242
2006-04-01	0.6658
2006-07-01	2.8503
2006-10-01	-0.1322
2007-01-01	6.9501
2007-04-01	2.5583
2007-07-01	-1.6020
2007-10-01	10.9118
2008-01-01	6.0636
2008-04-01	8.9025
2008-07-01	-4.2875
2008-10-01	-20.9633
2009-01-01	-4.9242
2009-04-01	-4.5413
2009-07-01	-5.2685
2009-10-01	-0.0972
2010-01-01	2.6515
2010-04-01	-0.5132
2010-07-01	2.3795
2010-10-01	-2.5241
2011-01-01	-2.8703
2011-04-01	1.3511
2011-07-01	1.5026
2011-10-01	-2.1349
2012-01-01	-3.0776
2012-04-01	-0.3381
2012-07-01	-0.9690
2012-10-01	0.2932
2013-01-01	0.0417
2013-04-01	-0.8759
2013-07-01	0.4238
2013-10-01	1.3326
2014-01-01	-1.0613
2014-04-01	2.7347
2014-07-01	0.8940
2014-10-01	-3.9595
2015-01-01	0.8276
2015-04-01	-0.6654