Quarter	Billions of US Dollars
1993-07-01	163.01
1993-10-01	161.99
1994-01-01	161.38
1994-04-01	166.13
1994-07-01	173.24
1994-10-01	168.52
1995-01-01	183.14
1995-04-01	199.55
1995-07-01	208.69
1995-10-01	219.17
1996-01-01	228.01
1996-04-01	245.37
1996-07-01	202.98
1996-10-01	272.75
1997-01-01	269.83
1997-04-01	280.17
1997-07-01	294.21
1997-10-01	303.91
1998-01-01	327.11
1998-04-01	323.58
1998-07-01	348.42
1998-10-01	359.10
1999-01-01	376.63
1999-04-01	396.01
1999-07-01	475.51
1999-10-01	502.75
2000-01-01	529.28
2000-04-01	574.69
2000-07-01	568.88
2000-10-01	625.46
2001-01-01	647.37
2001-04-01	644.83
2001-07-01	689.56
2001-10-01	710.66
2002-01-01	783.27
2002-04-01	904.20
2002-07-01	924.60
2002-10-01	955.82
2003-01-01	1042.57
2003-04-01	1114.20
2003-07-01	1153.44
2003-10-01	1290.22
2004-01-01	1319.82
2004-04-01	1323.64
2004-07-01	1414.31
2004-10-01	1535.83
2005-01-01	1536.67
2005-04-01	1534.34
2005-07-01	1558.37
2005-10-01	1608.06
2006-01-01	1713.78
2006-04-01	1783.34
2006-07-01	1850.39
2006-10-01	1931.68
2007-01-01	2065.73
2007-04-01	2189.17
2007-07-01	2288.98
2007-10-01	2447.14
2008-01-01	2782.53
2008-04-01	2857.48
2008-07-01	2668.42
2008-10-01	2431.89
2009-01-01	2324.45
2009-04-01	2483.94
2009-07-01	2639.73
2009-10-01	2573.56
2010-01-01	2570.24
2010-04-01	2436.18
2010-07-01	2572.76
2010-10-01	2538.33
2011-01-01	2761.88
2011-04-01	2809.57
2011-07-01	2755.02
2011-10-01	2686.67
2012-01-01	2760.95
2012-04-01	2570.80
2012-07-01	2551.03
2012-10-01	2534.51
2013-01-01	2514.75
2013-04-01	2539.66
2013-07-01	2609.93
2013-10-01	2645.19
2014-01-01	2574.20
2014-04-01	2510.10
2014-07-01	2403.43
2014-10-01	2318.24
2015-01-01	2151.52
2015-04-01	2179.01