Quarter	Billions of US Dollars
1989-10-01	1.47100
1990-01-01	1.54800
1990-04-01	-1.37000
1990-07-01	0.73600
1990-10-01	-0.03300
1991-01-01	0.61800
1991-04-01	-1.41700
1991-07-01	-0.02900
1991-10-01	1.09000
1992-01-01	-1.74100
1992-04-01	0.67300
1992-07-01	0.93800
1992-10-01	-1.21400
1993-01-01	-0.04700
1993-04-01	0.41400
1993-07-01	3.40194
1993-10-01	0.20020
1994-01-01	-0.76683
1994-04-01	0.00931
1994-07-01	0.66694
1994-10-01	-1.28526
1995-01-01	-0.21183
1995-04-01	1.25879
1995-07-01	-0.20979
1995-10-01	0.62455
1996-01-01	0.09591
1996-04-01	-0.46129
1996-07-01	1.35475
1996-10-01	-0.95312
1997-01-01	0.67063
1997-04-01	0.08658
1997-07-01	0.32741
1997-10-01	-0.29954
1998-01-01	1.31847
1998-04-01	-1.27637
1998-07-01	1.17597
1998-10-01	0.79675
1999-01-01	-0.44749
1999-04-01	-0.77518
1999-07-01	2.06635
1999-10-01	0.73418
2000-01-01	1.83137
2000-04-01	-0.40540
2000-07-01	0.33754
2000-10-01	-0.16631
2001-01-01	1.44094
2001-04-01	-2.73644
2001-07-01	0.63487
2001-10-01	0.86463
2002-01-01	1.31748
2002-04-01	-0.72809
2002-07-01	2.16971
2002-10-01	-0.47150
2003-01-01	-0.54276
2003-04-01	-0.65149
2003-07-01	-3.20645
2003-10-01	1.76723
2004-01-01	1.58873
2004-04-01	0.74048
2004-07-01	3.84969
2004-10-01	1.47435
2005-01-01	1.35256
2005-04-01	-4.66010
2005-07-01	0.32141
2005-10-01	0.86236
2006-01-01	5.14116
2006-04-01	4.49116
2006-07-01	1.46681
2006-10-01	0.40834
2007-01-01	-1.79226
2007-04-01	0.67615
2007-07-01	0.00395
2007-10-01	-4.27703
2008-01-01	-1.82107
2008-04-01	5.58568
2008-07-01	-1.89328
2008-10-01	-1.54286
2009-01-01	-2.15569
2009-04-01	-0.36182
2009-07-01	0.94013
2009-10-01	-4.76666
2010-01-01	1.42985
2010-04-01	-1.33285
2010-07-01	0.28777
2010-10-01	-3.58477
2011-01-01	2.38298
2011-04-01	1.42515
2011-07-01	4.26071
2011-10-01	-3.52202
2012-01-01	1.60795
2012-04-01	1.93727
2012-07-01	1.72182
2012-10-01	-2.33561
2013-01-01	-2.13276
2013-04-01	-0.95533
2013-07-01	3.02730
2013-10-01	-2.51516
2014-01-01	5.51098
2014-04-01	-0.69937
2014-07-01	3.53678
2014-10-01	-4.69635
2015-01-01	-2.35818
2015-04-01	1.77238