Quarter	Billions of US Dollars
1993-07-01	342.80
1993-10-01	353.01
1994-01-01	373.83
1994-04-01	434.96
1994-07-01	462.56
1994-10-01	478.01
1995-01-01	515.19
1995-04-01	535.07
1995-07-01	535.38
1995-10-01	532.39
1996-01-01	541.61
1996-04-01	539.27
1996-07-01	554.80
1996-10-01	557.12
1997-01-01	559.69
1997-04-01	580.39
1997-07-01	591.91
1997-10-01	571.47
1998-01-01	579.63
1998-04-01	594.76
1998-07-01	620.03
1998-10-01	610.65
1999-01-01	596.36
1999-04-01	606.18
1999-07-01	621.18
1999-10-01	620.52
2000-01-01	625.08
2000-04-01	626.62
2000-07-01	650.29
2000-10-01	654.14
2001-01-01	657.58
2001-04-01	657.37
2001-07-01	672.57
2001-10-01	664.42
2002-01-01	696.74
2002-04-01	731.56
2002-07-01	733.83
2002-10-01	757.04
2003-01-01	794.07
2003-04-01	835.57
2003-07-01	856.88
2003-10-01	895.81
2004-01-01	909.22
2004-04-01	923.27
2004-07-01	934.61
2004-10-01	990.74
2005-01-01	1000.12
2005-04-01	964.60
2005-07-01	960.08
2005-10-01	970.39
2006-01-01	1011.08
2006-04-01	1032.50
2006-07-01	1031.25
2006-10-01	1056.90
2007-01-01	1086.62
2007-04-01	1119.58
2007-07-01	1136.51
2007-10-01	1158.60
2008-01-01	1219.96
2008-04-01	1240.85
2008-07-01	1136.53
2008-10-01	1109.06
2009-01-01	1133.52
2009-04-01	1253.74
2009-07-01	1302.45
2009-10-01	1329.42
2010-01-01	1327.32
2010-04-01	1297.28
2010-07-01	1396.54
2010-10-01	1408.83
2011-01-01	1482.87
2011-04-01	1524.47
2011-07-01	1469.61
2011-10-01	1445.54
2012-01-01	1445.53
2012-04-01	1433.12
2012-07-01	1442.81
2012-10-01	1483.09
2013-01-01	1460.85
2013-04-01	1478.69
2013-07-01	1527.47
2013-10-01	1561.16
2014-01-01	1569.09
2014-04-01	1582.69
2014-07-01	1539.92
2014-10-01	1526.49
2015-01-01	1464.49
2015-04-01	1486.30