Quarter	Billions of US Dollars
1998-10-01	0.00901
1999-01-01	0.01085
1999-04-01	-0.00458
1999-07-01	0.02510
1999-10-01	0.00408
2000-01-01	0.02431
2000-04-01	0.00199
2000-07-01	-0.01145
2000-10-01	0.27793
2001-01-01	-0.33211
2001-04-01	0.01373
2002-01-01	0.00876
2002-07-01	0.01375
2002-10-01	-0.00500
2003-01-01	0.00707
2003-04-01	0.01000
2003-07-01	0.00913
2003-10-01	0.00594
2004-01-01	0.02467
2004-04-01	0.00361
2004-07-01	0.00367
2005-01-01	-0.05654
2005-04-01	-0.04155
2005-07-01	-0.01219
2006-07-01	0.02548
2006-10-01	0.50000
2007-07-01	0.01374
2007-10-01	-0.50000
2008-07-01	-0.04504
2009-01-01	-0.57279
2010-07-01	0.01476
2011-01-01	0.10845
2011-04-01	0.18500
2011-07-01	0.40000
2011-10-01	0.00498
2012-01-01	-0.10256
2012-04-01	-0.08093
2012-07-01	-0.39888
2013-01-01	-0.02144
2013-04-01	-0.00161
2013-07-01	-0.00113
2014-01-01	-0.11669