Quarter	Billions of US Dollars
1993-07-01	503.23
1993-10-01	496.17
1994-01-01	515.65
1994-04-01	526.11
1994-07-01	532.71
1994-10-01	523.02
1995-01-01	545.89
1995-04-01	551.61
1995-07-01	527.43
1995-10-01	526.80
1996-01-01	523.31
1996-04-01	522.60
1996-07-01	521.73
1996-10-01	526.63
1997-01-01	515.03
1997-04-01	533.34
1997-07-01	540.39
1997-10-01	529.05
1998-01-01	530.15
1998-04-01	544.94
1998-07-01	561.65
1998-10-01	585.73
1999-01-01	591.76
1999-04-01	623.92
1999-07-01	672.03
1999-10-01	689.86
2000-01-01	691.08
2000-04-01	735.83
2000-07-01	760.94
2000-10-01	809.51
2001-01-01	840.78
2001-04-01	885.50
2001-07-01	924.77
2001-10-01	950.69
2002-01-01	948.95
2002-04-01	1038.21
2002-07-01	1027.33
2002-10-01	1055.19
2003-01-01	1074.79
2003-04-01	1126.46
2003-07-01	1152.77
2003-10-01	1233.65
2004-01-01	1223.27
2004-04-01	1226.19
2004-07-01	1233.35
2004-10-01	1324.05
2005-01-01	1296.89
2005-04-01	1256.19
2005-07-01	1232.28
2005-10-01	1244.91
2006-01-01	1282.72
2006-04-01	1344.83
2006-07-01	1369.07
2006-10-01	1437.67
2007-01-01	1466.19
2007-04-01	1549.96
2007-07-01	1593.10
2007-10-01	1653.56
2008-01-01	1725.23
2008-04-01	1773.56
2008-07-01	1693.52
2008-10-01	1647.40
2009-01-01	1649.13
2009-04-01	1824.13
2009-07-01	1903.42
2009-10-01	1935.32
2010-01-01	1907.14
2010-04-01	1854.34
2010-07-01	2004.63
2010-10-01	2033.97
2011-01-01	2142.49
2011-04-01	2228.52
2011-07-01	2173.04
2011-10-01	2172.17
2012-01-01	2283.62
2012-04-01	2271.18
2012-07-01	2395.72
2012-10-01	2501.79
2013-01-01	2530.51
2013-04-01	2627.97
2013-07-01	2758.87
2013-10-01	2905.13
2014-01-01	2941.51
2014-04-01	3026.77
2014-07-01	2979.13
2014-10-01	2987.15
2015-01-01	2905.70
2015-04-01	3052.66