Quarter	Billions of US Dollars
1996-01-01	0.05000
1996-04-01	0.72151
1996-10-01	0.27166
1997-04-01	0.19986
1997-07-01	0.00324
1997-10-01	0.00329
1998-01-01	0.00334
1998-04-01	0.00340
1998-07-01	0.00345
1998-10-01	0.00351
1999-01-01	0.00356
1999-04-01	-0.65134
1999-07-01	0.00368
1999-10-01	0.00374
2000-01-01	0.00380
2000-04-01	0.00386
2000-07-01	0.00392
2000-10-01	0.00399
2001-01-01	-0.04595
2001-04-01	0.00412
2001-07-01	0.00419
2001-10-01	-0.23837
2002-01-01	0.00432
2002-04-01	0.00439
2002-07-01	0.00446
2002-10-01	0.00454
2003-01-01	0.00461
2003-04-01	0.00468
2003-07-01	0.00476
2003-10-01	0.00484
2004-01-01	0.00491
2004-04-01	0.00499
2004-07-01	0.00507
2004-10-01	0.00516
2005-01-01	0.00524
2005-04-01	0.00533
2005-07-01	0.00541
2005-10-01	0.00550
2006-01-01	0.00559
2006-04-01	0.00568
2006-07-01	0.00577
2006-10-01	0.00586
2007-01-01	0.00596
2007-04-01	-0.37395
2009-10-01	0.04804
2010-01-01	0.01699
2010-04-01	0.04371
2010-07-01	-0.02212
2010-10-01	0.04401
2011-01-01	0.03385
2011-04-01	0.04513
2011-07-01	0.03050
2011-10-01	0.00993
2012-01-01	0.08988
2012-04-01	0.00101
2012-07-01	-6.24837
2012-10-01	-0.00573
2013-01-01	0.00099
2013-04-01	-0.00950
2013-07-01	-0.00388
2014-01-01	-0.04732
2014-04-01	-0.03509
2014-10-01	-0.02011
2015-01-01	-0.03033
2015-04-01	-0.00381