Quarter	Billions of US Dollars
2002-04-01	415.86
2002-07-01	415.52
2002-10-01	434.01
2003-01-01	408.18
2003-04-01	443.47
2003-07-01	456.35
2003-10-01	461.38
2004-01-01	486.47
2004-04-01	490.90
2004-07-01	496.98
2004-10-01	571.70
2005-01-01	594.11
2005-04-01	609.83
2005-07-01	615.52
2005-10-01	648.56
2006-01-01	693.75
2006-04-01	742.10
2006-07-01	761.76
2006-10-01	787.16
2007-01-01	809.96
2007-04-01	844.61
2007-07-01	869.57
2007-10-01	857.11
2008-01-01	832.49
2008-04-01	808.84
2008-07-01	699.25
2008-10-01	686.05
2009-01-01	653.35
2009-04-01	732.41
2009-07-01	832.92
2009-10-01	858.57
2010-01-01	914.63
2010-04-01	880.21
2010-07-01	959.64
2010-10-01	966.49
2011-01-01	1027.11
2011-04-01	1098.26
2011-07-01	998.67
2011-10-01	1027.45
2012-01-01	1069.79
2012-04-01	1072.77
2012-07-01	1133.18
2012-10-01	1193.45
2013-01-01	1176.73
2013-04-01	1169.11
2013-07-01	1259.50
2013-10-01	1309.61
2014-01-01	1308.79
2014-04-01	1401.49
2014-07-01	1358.38
2014-10-01	1324.73
2015-01-01	1336.35