Quarter	Billions of US Dollars
1993-10-01	0.07330
1994-01-01	0.14730
1994-04-01	0.33960
1994-07-01	-0.15530
1994-10-01	0.31035
1995-01-01	-0.44505
1995-04-01	0.02149
1995-07-01	0.18607
1995-10-01	0.09850
1996-01-01	0.09402
1996-04-01	-0.17807
1996-07-01	-0.18028
1996-10-01	0.08317
1997-01-01	-0.14689
1997-04-01	0.08922
1997-07-01	0.06822
1997-10-01	-0.14569
1998-01-01	0.02839
1998-04-01	0.03226
1998-07-01	-0.03085
1998-10-01	-0.01105
1999-01-01	-0.06929
1999-04-01	-0.02401
1999-07-01	-0.03045
1999-10-01	-0.00924
2000-01-01	0.02152
2000-04-01	0.02179
2000-07-01	0.01630
2000-10-01	-0.02799
2001-01-01	-0.00276
2001-04-01	0.05922
2001-07-01	0.00687
2001-10-01	-0.03712
2002-01-01	-0.04678
2002-04-01	-0.07250
2002-07-01	-0.01661
2002-10-01	0.00640
2003-01-01	0.00199
2003-04-01	-0.00045
2003-07-01	-0.00629
2003-10-01	0.02327
2004-01-01	0.00303
2004-07-01	-0.02349
2004-10-01	-0.01224
2005-01-01	-0.01405
2005-04-01	0.00760
2005-07-01	-0.00013
2005-10-01	-0.01602
2006-01-01	-0.00715
2006-04-01	0.00236
2006-07-01	0.00342
2006-10-01	-0.00361
2007-01-01	-0.00194
2007-04-01	-0.00897
2007-07-01	0.00300
2007-10-01	0.00229
2008-01-01	-0.00143
2008-04-01	-0.00622
2008-07-01	-0.00100
2008-10-01	0.00336
2009-01-01	-0.00348
2009-04-01	0.00114
2009-07-01	-0.00200
2009-10-01	-0.00235
2010-01-01	-0.00428
2010-04-01	-0.00115