Quarter	Billions of US Dollars
1993-07-01	464.98
1993-10-01	456.63
1994-01-01	488.49
1994-04-01	519.34
1994-07-01	542.74
1994-10-01	557.51
1995-01-01	632.63
1995-04-01	648.63
1995-07-01	655.43
1995-10-01	669.86
1996-01-01	684.75
1996-04-01	698.48
1996-07-01	716.19
1996-10-01	740.95
1997-01-01	716.78
1997-04-01	717.40
1997-07-01	742.66
1997-10-01	750.05
1998-01-01	777.71
1998-04-01	855.89
1998-07-01	971.95
1998-10-01	995.86
1999-01-01	993.43
1999-04-01	1068.60
1999-07-01	1209.32
1999-10-01	1224.28
2000-01-01	1245.23
2000-04-01	1335.90
2000-07-01	1304.90
2000-10-01	1478.53
2001-01-01	1548.79
2001-04-01	1622.62
2001-07-01	1820.48
2001-10-01	1892.89
2002-01-01	1986.91
2002-04-01	2389.72
2002-07-01	2422.63
2002-10-01	2653.61
2003-01-01	2920.92
2003-04-01	3252.71
2003-07-01	3437.01
2003-10-01	3897.95
2004-01-01	3939.55
2004-04-01	4073.72
2004-07-01	4322.80
2004-10-01	4952.42
2005-01-01	4907.43
2005-04-01	4818.74
2005-07-01	4867.13
2005-10-01	5004.32
2006-01-01	5409.02
2006-04-01	5902.06
2006-07-01	6101.70
2006-10-01	6716.64
2007-01-01	7139.93
2007-04-01	7649.79
2007-07-01	8106.43
2007-10-01	8588.52
2008-01-01	9313.08
2008-04-01	9678.46
2008-07-01	8816.98
2008-10-01	8864.59
2009-01-01	8668.39
2009-04-01	9570.74
2009-07-01	10063.37
2009-10-01	10026.58
2010-01-01	9548.94
2010-04-01	8677.18
2010-07-01	9731.91
2010-10-01	9530.51
2011-01-01	10215.74
2011-04-01	10420.96
2011-07-01	9716.91
2011-10-01	9337.93
2012-01-01	9792.49
2012-04-01	9152.53
2012-07-01	9363.54
2012-10-01	9604.93
2013-01-01	9167.40
2013-04-01	9320.13
2013-07-01	9640.41
2013-10-01	9906.66
2014-01-01	9831.57
2014-04-01	9773.51
2014-07-01	9001.52
2014-10-01	8695.31
2015-01-01	7753.75
2015-04-01	8092.14