Quarter	Billions of US Dollars
1993-07-01	0.0075
1993-10-01	0.0075
1994-01-01	0.0075
1994-04-01	0.0075
1994-07-01	0.0075
1994-10-01	0.0075
1995-01-01	0.0075
1995-04-01	0.0075
1995-07-01	0.0075
1995-10-01	0.0075
1996-01-01	0.0825
1996-04-01	0.0825
1996-07-01	0.0825
1996-10-01	0.1819
1997-01-01	0.3367
1997-04-01	0.5622
1997-07-01	1.4358
1997-10-01	2.3341
1998-01-01	2.3850
1998-04-01	2.3884
1998-07-01	2.4016
1998-10-01	2.3421
1999-01-01	2.2574
1999-04-01	2.1653
1999-07-01	1.9671
1999-10-01	1.9139
2000-01-01	1.8114
2000-04-01	1.8114
2000-07-01	1.1324
2000-10-01	1.1351
2001-01-01	1.1327
2001-04-01	1.1309
2001-07-01	1.1342
2001-10-01	1.5589
2002-01-01	1.6939
2002-04-01	2.0078
2002-07-01	2.0038
2002-10-01	2.0508
2003-01-01	2.4287
2003-04-01	3.2974
2003-07-01	4.7705
2003-10-01	5.7864
2004-01-01	6.5397
2004-04-01	7.4317
2004-07-01	9.2110
2004-10-01	10.0505
2005-01-01	11.5452
2005-04-01	14.6928
2005-07-01	18.0646
2005-10-01	20.7024
2006-01-01	22.2807
2006-04-01	23.4915
2006-07-01	26.8461
2006-10-01	32.9012
2007-01-01	37.7375
2007-04-01	44.3306
2007-07-01	47.5555
2007-10-01	54.8305
2008-01-01	55.9771
2008-04-01	57.9794
2008-07-01	55.7383
2008-10-01	52.9138
2009-01-01	52.0805
2009-04-01	53.0216
2009-07-01	55.6594
2009-10-01	56.4144
2010-01-01	56.1700
2010-04-01	54.7068
2010-07-01	54.5993
2010-10-01	58.4263
2011-01-01	59.0772
2011-04-01	59.8149
2011-07-01	58.8994
2011-10-01	58.2592
2012-01-01	58.5683
2012-04-01	57.6655
2012-07-01	63.1028
2012-10-01	67.4770
2013-01-01	69.3524
2013-04-01	75.2019
2013-07-01	76.2621
2013-10-01	77.4101
2014-01-01	75.4506
2014-04-01	74.5744
2014-07-01	68.6111
2014-10-01	67.1850
2015-01-01	63.7105
2015-04-01	61.7026