Quarter	Billions of US Dollars
1993-07-01	177.90
1993-10-01	189.19
1994-01-01	207.95
1994-04-01	218.99
1994-07-01	231.82
1994-10-01	241.41
1995-01-01	256.84
1995-04-01	268.37
1995-07-01	278.39
1995-10-01	284.12
1996-01-01	305.90
1996-04-01	332.42
1996-07-01	361.53
1996-10-01	405.27
1997-01-01	428.43
1997-04-01	461.62
1997-07-01	496.35
1997-10-01	523.61
1998-01-01	551.07
1998-04-01	597.88
1998-07-01	640.64
1998-10-01	664.32
1999-01-01	701.23
1999-04-01	768.58
1999-07-01	843.99
1999-10-01	882.02
2000-01-01	919.00
2000-04-01	978.37
2000-07-01	990.86
2000-10-01	1070.57
2001-01-01	1118.80
2001-04-01	1179.23
2001-07-01	1282.16
2001-10-01	1341.21
2002-01-01	1375.53
2002-04-01	1531.44
2002-07-01	1551.26
2002-10-01	1644.83
2003-01-01	1736.63
2003-04-01	1847.65
2003-07-01	1949.91
2003-10-01	2170.52
2004-01-01	2248.50
2004-04-01	2352.81
2004-07-01	2480.47
2004-10-01	2790.69
2005-01-01	2797.63
2005-04-01	2857.99
2005-07-01	2880.00
2005-10-01	3084.00
2006-01-01	3311.82
2006-04-01	3666.74
2006-07-01	3892.08
2006-10-01	4415.57
2007-01-01	4807.18
2007-04-01	5260.77
2007-07-01	5530.10
2007-10-01	5737.85
2008-01-01	6093.35
2008-04-01	6361.84
2008-07-01	6103.85
2008-10-01	6278.06
2009-01-01	6128.78
2009-04-01	6568.41
2009-07-01	6735.85
2009-10-01	6650.85
2010-01-01	6326.56
2010-04-01	5910.20
2010-07-01	6380.17
2010-10-01	6227.28
2011-01-01	6422.23
2011-04-01	6499.01
2011-07-01	6140.51
2011-10-01	5999.25
2012-01-01	6039.07
2012-04-01	5671.88
2012-07-01	5653.41
2012-10-01	5630.71
2013-01-01	5433.10
2013-04-01	5422.02
2013-07-01	5544.93
2013-10-01	5611.09
2014-01-01	5528.30
2014-04-01	5528.39
2014-07-01	5238.47
2014-10-01	5066.47
2015-01-01	4698.36
2015-04-01	4816.22