Quarter	Billions of US Dollars
1993-07-01	0.1050
1993-10-01	0.1050
1994-01-01	0.1050
1994-04-01	0.1050
1994-07-01	0.1050
1994-10-01	0.1050
1995-01-01	0.1050
1995-04-01	0.1050
1995-07-01	0.1050
1995-10-01	0.1050
1996-01-01	0.1050
1996-04-01	0.1050
1996-10-01	0.6000
1997-01-01	0.6000
1997-04-01	0.6750
1997-07-01	0.7900
1997-10-01	1.2150
1998-01-01	1.2150
1998-04-01	1.2860
1998-07-01	1.6739
1998-10-01	1.6955
1999-01-01	2.2023
1999-04-01	2.1969
1999-07-01	2.2083
1999-10-01	2.8159
2000-01-01	3.1857
2000-04-01	3.3134
2000-07-01	3.7498
2000-10-01	3.8258
2001-01-01	3.7952
2001-04-01	4.3985
2001-07-01	4.4219
2001-10-01	4.4041
2002-01-01	4.4092
2002-04-01	4.4579
2002-07-01	4.3664
2002-10-01	4.3830
2003-01-01	4.4519
2003-04-01	4.5119
2003-07-01	4.5345
2003-10-01	4.5777
2004-01-01	4.8604
2004-04-01	4.7828
2004-07-01	4.7941
2004-10-01	4.9718
2005-01-01	4.5378
2005-04-01	4.3404
2005-07-01	4.0496
2005-10-01	4.0387
2006-01-01	5.4408
2006-04-01	5.5172
2006-07-01	5.5407
2006-10-01	5.2072
2007-01-01	5.1146
2007-04-01	5.1154
2007-07-01	4.7351
2007-10-01	4.5152
2008-01-01	4.7860
2008-04-01	6.7842
2008-07-01	6.7373
2008-10-01	6.7442
2009-01-01	6.7299
2009-04-01	6.7363
2009-07-01	6.7462
2009-10-01	6.1431
2010-01-01	6.1429
2010-04-01	6.6457
2010-07-01	6.4814
2010-10-01	6.5964
2011-01-01	6.4524
2011-04-01	5.8595
2011-07-01	5.8513
2011-10-01	10.8447
2012-01-01	11.4210
2012-04-01	11.4238
2012-07-01	11.4377
2012-10-01	13.9356
2013-01-01	12.9319
2013-04-01	11.2494
2013-07-01	11.7750
2013-10-01	9.6724
2014-01-01	9.6730
2014-04-01	9.6670
2014-07-01	9.6402
2014-10-01	12.9188
2015-01-01	12.9129
2015-04-01	12.9115