Quarter	Billions of US Dollars
1993-07-01	195.10
1993-10-01	192.79
1994-01-01	194.00
1994-04-01	199.09
1994-07-01	210.94
1994-10-01	211.05
1995-01-01	229.86
1995-04-01	250.33
1995-07-01	262.45
1995-10-01	277.43
1996-01-01	286.88
1996-04-01	306.73
1996-07-01	256.00
1996-10-01	337.87
1997-01-01	336.19
1997-04-01	347.52
1997-07-01	365.48
1997-10-01	381.29
1998-01-01	407.14
1998-04-01	407.81
1998-07-01	433.13
1998-10-01	447.29
1999-01-01	464.27
1999-04-01	488.98
1999-07-01	584.41
1999-10-01	606.25
2000-01-01	640.29
2000-04-01	686.56
2000-07-01	673.99
2000-10-01	741.35
2001-01-01	767.17
2001-04-01	758.58
2001-07-01	807.81
2001-10-01	828.39
2002-01-01	897.23
2002-04-01	1025.99
2002-07-01	1051.62
2002-10-01	1096.46
2003-01-01	1193.47
2003-04-01	1269.71
2003-07-01	1308.08
2003-10-01	1444.89
2004-01-01	1465.94
2004-04-01	1469.39
2004-07-01	1561.05
2004-10-01	1694.34
2005-01-01	1706.93
2005-04-01	1693.10
2005-07-01	1713.78
2005-10-01	1760.65
2006-01-01	1882.97
2006-04-01	1960.10
2006-07-01	2036.77
2006-10-01	2120.36
2007-01-01	2271.33
2007-04-01	2409.35
2007-07-01	2495.86
2007-10-01	2661.05
2008-01-01	2990.88
2008-04-01	3065.99
2008-07-01	2869.61
2008-10-01	2624.60
2009-01-01	2504.47
2009-04-01	2674.04
2009-07-01	2828.28
2009-10-01	2748.41
2010-01-01	2745.10
2010-04-01	2605.72
2010-07-01	2759.55
2010-10-01	2719.86
2011-01-01	2948.24
2011-04-01	3003.86
2011-07-01	2939.23
2011-10-01	2877.63
2012-01-01	2955.07
2012-04-01	2760.33
2012-07-01	2760.29
2012-10-01	2744.76
2013-01-01	2739.13
2013-04-01	2786.50
2013-07-01	2868.40
2013-10-01	2907.77
2014-01-01	2844.00
2014-04-01	2782.23
2014-07-01	2687.98
2014-10-01	2608.84
2015-01-01	2441.13
2015-04-01	2474.12