Quarter	Billions of US Dollars
1993-07-01	126.44
1993-10-01	130.75
1994-01-01	140.68
1994-04-01	148.77
1994-07-01	157.47
1994-10-01	157.81
1995-01-01	165.04
1995-04-01	166.00
1995-07-01	167.50
1995-10-01	165.64
1996-01-01	170.22
1996-04-01	176.52
1996-07-01	183.32
1996-10-01	217.78
1997-01-01	230.22
1997-04-01	245.41
1997-07-01	249.63
1997-10-01	260.39
1998-01-01	282.57
1998-04-01	293.69
1998-07-01	305.28
1998-10-01	316.73
1999-01-01	324.53
1999-04-01	342.63
1999-07-01	378.01
1999-10-01	384.70
2000-01-01	395.52
2000-04-01	392.00
2000-07-01	407.77
2000-10-01	444.52
2001-01-01	440.53
2001-04-01	446.36
2001-07-01	481.43
2001-10-01	496.80
2002-01-01	495.49
2002-04-01	551.60
2002-07-01	575.59
2002-10-01	607.73
2003-01-01	610.87
2003-04-01	656.66
2003-07-01	689.78
2003-10-01	768.80
2004-01-01	821.50
2004-04-01	848.52
2004-07-01	867.93
2004-10-01	974.87
2005-01-01	998.57
2005-04-01	986.88
2005-07-01	1008.85
2005-10-01	1055.89
2006-01-01	1124.25
2006-04-01	1237.64
2006-07-01	1303.47
2006-10-01	1441.44
2007-01-01	1508.51
2007-04-01	1625.09
2007-07-01	1694.76
2007-10-01	1698.85
2008-01-01	1716.45
2008-04-01	1865.46
2008-07-01	1827.45
2008-10-01	1689.17
2009-01-01	1756.01
2009-04-01	2077.77
2009-07-01	2082.04
2009-10-01	2073.11
2010-01-01	1941.59
2010-04-01	1912.20
2010-07-01	2026.92
2010-10-01	1953.85
2011-01-01	1985.86
2011-04-01	1996.36
2011-07-01	1921.35
2011-10-01	1870.98
2012-01-01	1950.63
2012-04-01	1872.37
2012-07-01	1955.85
2012-10-01	1923.28
2013-01-01	1859.20
2013-04-01	1889.34
2013-07-01	1994.43
2013-10-01	2045.65
2014-01-01	2072.46
2014-04-01	2139.99
2014-07-01	2042.68
2014-10-01	1943.47
2015-01-01	1847.15
2015-04-01	1987.87