Quarter	Billions of US Dollars
1993-07-01	0.65581
1993-10-01	-0.27981
1994-01-01	0.07259
1994-04-01	-0.22032
1994-07-01	-0.09739
1994-10-01	0.13372
1995-01-01	0.04322
1995-04-01	-0.06226
1995-07-01	0.88544
1995-10-01	1.10470
1996-01-01	0.74682
1996-04-01	0.44327
1996-07-01	0.54628
1996-10-01	1.52179
1997-01-01	0.93350
1997-04-01	1.13287
1997-07-01	0.72664
1997-10-01	1.11698
1998-01-01	0.28537
1998-04-01	-0.07596
1998-07-01	-0.59093
1998-10-01	0.49021
1999-01-01	0.13414
1999-04-01	0.16575
1999-07-01	0.16189
1999-10-01	-0.25826
2000-01-01	0.29784
2000-04-01	-0.18225
2000-07-01	-0.43788
2000-10-01	-0.36754
2001-01-01	-0.03705
2001-04-01	-0.04853
2001-07-01	-0.04386
2001-10-01	-0.24041
2002-01-01	0.01847
2002-04-01	-0.09450
2002-07-01	-0.09538
2002-10-01	-1.44365
2003-01-01	-0.37662
2003-04-01	-0.25338
2003-07-01	-0.00124
2003-10-01	-1.41403
2004-01-01	-0.15442
2004-04-01	0.17328
2004-07-01	-0.05325
2004-10-01	-1.57314
2005-01-01	-0.05766
2005-04-01	-0.13700
2005-07-01	-0.00542
2005-10-01	-0.09830
2006-01-01	-0.18159
2006-04-01	1.18256
2006-07-01	0.07611
2006-10-01	-0.08092
2007-01-01	0.08475
2007-04-01	0.25882
2007-07-01	-0.57746
2007-10-01	-0.06280
2008-01-01	0.49230
2008-04-01	-0.21922
2008-07-01	0.09113
2008-10-01	-0.07242
2009-01-01	-0.52749
2009-04-01	-0.80902
2009-07-01	-0.56395
2009-10-01	-0.29274
2010-01-01	-0.22670
2010-04-01	-0.27975
2010-07-01	-0.23638
2010-10-01	-0.23413
2011-01-01	-0.31190
2011-04-01	-0.29562
2011-07-01	-0.01631
2011-10-01	-0.02657
2012-01-01	1.20856
2012-04-01	0.47227
2012-07-01	0.37491
2012-10-01	-0.22503
2013-01-01	-0.05722
2013-04-01	-0.04743
2013-07-01	-0.07809
2013-10-01	-0.32122
2014-01-01	-0.26183
2014-04-01	0.00998
2014-07-01	-0.07326
2014-10-01	-0.20954
2015-01-01	-0.03022
2015-04-01	0.00614