Quarter	Billions of US Dollars
1993-07-01	468.99
1993-10-01	454.30
1994-01-01	468.36
1994-04-01	475.21
1994-07-01	478.77
1994-10-01	467.58
1995-01-01	492.61
1995-04-01	497.39
1995-07-01	470.31
1995-10-01	467.58
1996-01-01	461.22
1996-04-01	454.56
1996-07-01	450.45
1996-10-01	446.69
1997-01-01	431.57
1997-04-01	440.71
1997-07-01	437.51
1997-10-01	425.19
1998-01-01	423.49
1998-04-01	433.58
1998-07-01	450.13
1998-10-01	474.28
1999-01-01	481.04
1999-04-01	510.66
1999-07-01	556.90
1999-10-01	573.60
2000-01-01	571.43
2000-04-01	613.34
2000-07-01	638.00
2000-10-01	689.21
2001-01-01	720.76
2001-04-01	762.43
2001-07-01	799.95
2001-10-01	822.44
2002-01-01	818.52
2002-04-01	903.63
2002-07-01	895.42
2002-10-01	920.29
2003-01-01	937.07
2003-04-01	987.43
2003-07-01	1009.68
2003-10-01	1084.16
2004-01-01	1068.80
2004-04-01	1070.64
2004-07-01	1078.13
2004-10-01	1165.47
2005-01-01	1135.50
2005-04-01	1094.89
2005-07-01	1064.39
2005-10-01	1072.21
2006-01-01	1104.23
2006-04-01	1162.91
2006-07-01	1181.60
2006-10-01	1237.48
2007-01-01	1261.92
2007-04-01	1324.13
2007-07-01	1363.86
2007-10-01	1414.62
2008-01-01	1483.85
2008-04-01	1530.34
2008-07-01	1446.62
2008-10-01	1407.59
2009-01-01	1413.43
2009-04-01	1575.14
2009-07-01	1633.52
2009-10-01	1646.07
2010-01-01	1610.31
2010-04-01	1543.19
2010-07-01	1681.07
2010-10-01	1696.50
2011-01-01	1787.73
2011-04-01	1850.89
2011-07-01	1794.93
2011-10-01	1774.87
2012-01-01	1866.11
2012-04-01	1844.53
2012-07-01	1945.10
2012-10-01	2028.32
2013-01-01	2036.42
2013-04-01	2106.99
2013-07-01	2217.88
2013-10-01	2341.67
2014-01-01	2370.23
2014-04-01	2433.22
2014-07-01	2376.38
2014-10-01	2370.82
2015-01-01	2290.00
2015-04-01	2407.72