Quarter	Billions of US Dollars
1989-10-01	-1.3320
1990-01-01	0.8210
1990-04-01	-0.0950
1990-07-01	1.5300
1990-10-01	2.8790
1991-01-01	1.6920
1991-04-01	1.7080
1991-07-01	0.5680
1991-10-01	1.3850
1992-01-01	1.6740
1992-04-01	1.5260
1992-07-01	5.9440
1992-10-01	1.0430
1993-01-01	-7.8260
1993-04-01	-0.9890
1993-07-01	16.6037
1993-10-01	0.4295
1994-01-01	1.2761
1994-04-01	-1.7692
1994-07-01	-0.0743
1994-10-01	1.6579
1995-01-01	-2.0782
1995-04-01	1.7928
1995-07-01	3.9975
1995-10-01	3.3929
1996-01-01	1.0603
1996-04-01	9.3950
1996-07-01	-6.3575
1996-10-01	4.9012
1997-01-01	-2.2505
1997-04-01	3.6875
1997-07-01	7.8407
1997-10-01	-0.1153
1998-01-01	1.1699
1998-04-01	0.8737
1998-07-01	3.0607
1998-10-01	-1.1535
1999-01-01	-0.4211
1999-04-01	2.0789
1999-07-01	-2.5312
1999-10-01	-4.3544
2000-01-01	5.8167
2000-04-01	4.4074
2000-07-01	3.5412
2000-10-01	6.8958
2001-01-01	1.0548
2001-04-01	-9.8389
2001-07-01	-9.8590
2001-10-01	-3.8553
2002-01-01	-5.0768
2002-04-01	5.7923
2002-07-01	-3.0843
2002-10-01	2.3093
2003-01-01	5.0617
2003-04-01	-1.5008
2003-07-01	-1.6612
2003-10-01	-1.8180
2004-01-01	10.7916
2004-04-01	3.4608
2004-07-01	-1.2023
2004-10-01	-3.4011
2005-01-01	1.8235
2005-04-01	3.8052
2005-07-01	5.0191
2005-10-01	-1.3666
2006-01-01	1.9486
2006-04-01	3.4470
2006-07-01	0.5770
2006-10-01	12.8968
2007-01-01	4.4454
2007-04-01	22.2217
2007-07-01	2.6365
2007-10-01	-0.5265
2008-01-01	11.8886
2008-04-01	5.8990
2008-07-01	-9.3883
2008-10-01	-31.2685
2009-01-01	-0.9592
2009-04-01	-8.9216
2009-07-01	10.9762
2009-10-01	1.2759
2010-01-01	9.1618
2010-04-01	-14.4836
2010-07-01	29.4395
2010-10-01	-27.4933
2011-01-01	7.4829
2011-04-01	-2.6250
2011-07-01	-7.7275
2011-10-01	-4.0047
2012-01-01	17.6976
2012-04-01	5.1731
2012-07-01	2.5779
2012-10-01	1.6744
2013-01-01	1.5234
2013-04-01	4.0342
2013-07-01	7.1024
2013-10-01	10.0413
2014-01-01	-5.5731
2014-04-01	6.6029
2014-07-01	7.8016
2014-10-01	0.7886
2015-01-01	2.6436
2015-04-01	-2.7826