Quarter	Billions of US Dollars
1989-10-01	-0.9040
1990-01-01	1.0020
1990-04-01	0.1600
1990-07-01	2.7660
1990-10-01	3.7970
1991-01-01	2.8540
1991-04-01	2.4180
1991-07-01	1.4770
1991-10-01	0.6740
1992-01-01	2.3450
1992-04-01	4.0410
1992-07-01	6.3470
1992-10-01	-0.9200
1993-01-01	-8.1070
1993-04-01	-0.2520
1993-07-01	24.7873
1993-10-01	2.1817
1994-01-01	4.0804
1994-04-01	-0.6304
1994-07-01	-0.6062
1994-10-01	-0.7890
1995-01-01	-1.4938
1995-04-01	3.0993
1995-07-01	7.1796
1995-10-01	6.9548
1996-01-01	0.5415
1996-04-01	12.1015
1996-07-01	-6.0183
1996-10-01	7.7374
1997-01-01	0.6964
1997-04-01	7.8285
1997-07-01	7.2821
1997-10-01	1.4504
1998-01-01	1.6756
1998-04-01	-5.3480
1998-07-01	7.0857
1998-10-01	4.8686
1999-01-01	7.2207
1999-04-01	11.3931
1999-07-01	21.3132
1999-10-01	19.2304
2000-01-01	22.3296
2000-04-01	34.6735
2000-07-01	11.3865
2000-10-01	21.1051
2001-01-01	-15.2511
2001-04-01	-33.4907
2001-07-01	-24.9993
2001-10-01	-9.1942
2002-01-01	-11.7292
2002-04-01	6.0505
2002-07-01	-0.2523
2002-10-01	-7.8137
2003-01-01	6.3207
2003-04-01	-8.6002
2003-07-01	-5.8233
2003-10-01	-3.6607
2004-01-01	27.1900
2004-04-01	6.9158
2004-07-01	-7.6796
2004-10-01	-1.4671
2005-01-01	5.8116
2005-04-01	0.1664
2005-07-01	19.7645
2005-10-01	-10.7139
2006-01-01	10.7612
2006-04-01	7.6766
2006-07-01	0.5334
2006-10-01	15.3794
2007-01-01	17.2826
2007-04-01	34.3358
2007-07-01	53.1259
2007-10-01	57.6465
2008-01-01	53.0885
2008-04-01	45.5279
2008-07-01	-39.2806
2008-10-01	-77.4628
2009-01-01	-15.2816
2009-04-01	-48.8429
2009-07-01	7.2742
2009-10-01	-39.5814
2010-01-01	31.9238
2010-04-01	-3.6276
2010-07-01	29.9211
2010-10-01	-16.3991
2011-01-01	8.9167
2011-04-01	-8.5852
2011-07-01	-16.3126
2011-10-01	-14.0916
2012-01-01	81.6180
2012-04-01	6.7687
2012-07-01	-21.8062
2012-10-01	4.3025
2013-01-01	-4.3690
2013-04-01	17.1106
2013-07-01	0.1901
2013-10-01	27.5003
2014-01-01	-29.1522
2014-04-01	16.9896
2014-07-01	15.9326
2014-10-01	-5.1888
2015-01-01	13.0283
2015-04-01	9.6166