Quarter	Billions of US Dollars
1993-07-01	1878.23
1993-10-01	1895.25
1994-01-01	2010.96
1994-04-01	2134.51
1994-07-01	2239.78
1994-10-01	2284.83
1995-01-01	2463.87
1995-04-01	2540.69
1995-07-01	2534.07
1995-10-01	2566.31
1996-01-01	2624.46
1996-04-01	2689.55
1996-07-01	2790.45
1996-10-01	2900.59
1997-01-01	2923.15
1997-04-01	3068.39
1997-07-01	3155.97
1997-10-01	3156.47
1998-01-01	3268.87
1998-04-01	3426.67
1998-07-01	3626.42
1998-10-01	3731.71
1999-01-01	3785.67
1999-04-01	3975.83
1999-07-01	4292.03
1999-10-01	4348.07
2000-01-01	4435.79
2000-04-01	4617.18
2000-07-01	4700.46
2000-10-01	4992.51
2001-01-01	5196.92
2001-04-01	5441.23
2001-07-01	5815.19
2001-10-01	5973.83
2002-01-01	6182.33
2002-04-01	6849.96
2002-07-01	6921.91
2002-10-01	7263.10
2003-01-01	7590.59
2003-04-01	8054.65
2003-07-01	8443.19
2003-10-01	9151.52
2004-01-01	9389.09
2004-04-01	9592.12
2004-07-01	9939.16
2004-10-01	10845.86
2005-01-01	10887.34
2005-04-01	10818.99
2005-07-01	10957.73
2005-10-01	11282.76
2006-01-01	11868.68
2006-04-01	12694.54
2006-07-01	13137.28
2006-10-01	14206.74
2007-01-01	14937.35
2007-04-01	15940.30
2007-07-01	16708.76
2007-10-01	17334.07
2008-01-01	18266.31
2008-04-01	18959.19
2008-07-01	17980.32
2008-10-01	17850.21
2009-01-01	17709.00
2009-04-01	19230.73
2009-07-01	19943.93
2009-10-01	20059.68
2010-01-01	19569.26
2010-04-01	18690.72
2010-07-01	20179.08
2010-10-01	20093.11
2011-01-01	20993.08
2011-04-01	21389.08
2011-07-01	20561.90
2011-10-01	20187.27
2012-01-01	20926.91
2012-04-01	20238.65
2012-07-01	20769.12
2012-10-01	21088.15
2013-01-01	20662.48
2013-04-01	20905.55
2013-07-01	21447.41
2013-10-01	21894.98
2014-01-01	21988.04
2014-04-01	22212.61
2014-07-01	21397.28
2014-10-01	20967.34
2015-01-01	19980.56
2015-04-01	20666.74