Quarter	Billions of US Dollars
1998-04-01	0.11000
1998-07-01	0.11000
1998-10-01	0.11000
1999-01-01	0.11000
1999-04-01	0.11000
1999-07-01	0.11000
1999-10-01	0.11000
2000-01-01	0.11000
2000-04-01	0.11000
2000-07-01	0.11000
2000-10-01	0.11000
2001-01-01	0.11000
2001-04-01	0.11000
2001-07-01	0.11000
2001-10-01	0.11000
2002-01-01	0.11000
2002-04-01	0.11000
2002-07-01	0.11000
2002-10-01	0.11000
2003-01-01	0.11000
2003-04-01	0.11000
2003-07-01	0.11000
2003-10-01	0.11000
2004-01-01	0.11000
2004-04-01	0.11000
2004-07-01	0.11000
2004-10-01	0.11000
2005-01-01	0.11000
2007-04-01	0.75000
2007-07-01	1.02543
2007-10-01	1.02607
2008-01-01	1.60171
2008-04-01	1.60236
2008-07-01	2.00300
2008-10-01	2.00365
2009-01-01	3.62930
2009-04-01	4.54866
2009-07-01	4.58239
2009-10-01	4.56764
2010-01-01	4.50804
2010-04-01	4.43543
2010-07-01	4.24239
2010-10-01	4.22379
2011-01-01	4.57871
2011-04-01	4.89470
2011-07-01	5.01294
2011-10-01	5.00169
2012-01-01	5.02941
2012-04-01	4.97781
2012-07-01	5.84559
2012-10-01	5.86261
2013-01-01	5.83737
2013-04-01	5.10235
2013-07-01	6.00791
2013-10-01	6.04397
2014-01-01	6.04447
2014-04-01	4.89030
2014-07-01	4.81875
2014-10-01	4.76815
2015-01-01	4.67434
2015-04-01	4.85228