Quarterly Billions of US Dollars
1968-07-01 0.04
1968-10-01 0.04
1969-01-01 0.14
1969-04-01 0.15
1969-07-01 0.17
1969-10-01 0.17
1970-01-01 0.17
1970-04-01 0.17
1970-07-01 0.17
1970-10-01 0.17
1971-01-01 0.17
1971-04-01 0.17
1971-07-01 0.17
1971-10-01 0.19
1972-01-01 0.21
1972-04-01 0.30
1972-07-01 0.53
1972-10-01 0.60
1973-01-01 0.82
1973-04-01 0.98
1973-07-01 1.04
1973-10-01 1.04
1974-01-01 1.10
1974-04-01 1.20
1974-07-01 1.37
1974-10-01 1.76
1975-01-01 2.02
1975-04-01 2.26
1975-07-01 2.24
1975-10-01 2.36
1976-01-01 2.45
1976-04-01 2.83
1976-07-01 3.10
1976-10-01 3.27
1977-01-01 3.49
1977-04-01 3.74
1977-07-01 4.15
1977-10-01 4.50
1978-01-01 4.78
1978-04-01 4.93
1978-07-01 5.61
1978-10-01 5.83
1979-01-01 6.49
1979-04-01 6.77
1979-07-01 6.83
1979-10-01 6.77
1980-01-01 6.43
1980-04-01 7.67
1980-07-01 8.31
1980-10-01 8.91
1981-01-01 8.89
1981-04-01 8.80
1981-07-01 9.23
1981-10-01 10.43
1982-01-01 10.17
1982-04-01 10.36
1982-07-01 10.47
1982-10-01 12.38
1983-01-01 13.68
1983-04-01 14.65
1983-07-01 15.06
1983-10-01 17.01
1984-01-01 19.71
1984-04-01 20.77
1984-07-01 21.89
1984-10-01 22.93
1985-01-01 23.96
1985-04-01 25.14
1985-07-01 26.70
1985-10-01 26.94
1986-01-01 28.67
1986-04-01 31.15
1986-07-01 34.03
1986-10-01 36.04
1987-01-01 40.36
1987-04-01 42.77
1987-07-01 43.66
1987-10-01 47.10
1988-01-01 48.03
1988-04-01 49.07
1988-07-01 50.23
1988-10-01 56.12
1989-01-01 55.16
1989-04-01 57.80
1989-07-01 60.98
1989-10-01 66.14
1990-01-01 71.15
1990-04-01 73.48
1990-07-01 79.13
1990-10-01 83.07
1991-01-01 80.83
1991-04-01 79.81
1991-07-01 87.12
1991-10-01 95.06
1992-01-01 94.05
1992-04-01 101.04
1992-07-01 109.28
1992-10-01 103.39
1993-01-01 107.82
1993-04-01 112.72
1993-07-01 112.24
1993-10-01 113.86
1994-01-01 122.72
1994-04-01 129.70
1994-07-01 139.58
1994-10-01 145.06
1995-01-01 163.04
1995-04-01 172.53
1995-07-01 173.07
1995-10-01 178.34
1996-01-01 187.07
1996-04-01 193.30
1996-07-01 199.90
1996-10-01 204.00
1997-01-01 205.00
1997-04-01 209.55
1997-07-01 218.12
1997-10-01 221.74
1998-01-01 231.14
1998-04-01 248.65
1998-07-01 275.16
1998-10-01 282.76
1999-01-01 287.05
1999-04-01 318.42
1999-07-01 355.93
1999-10-01 357.70
2000-01-01 358.05
2000-04-01 372.69
2000-07-01 383.46
2000-10-01 423.24
2001-01-01 428.33
2001-04-01 440.16
2001-07-01 479.86
2001-10-01 492.72
2002-01-01 509.89
2002-04-01 585.04
2002-07-01 603.13
2002-10-01 646.21
2003-01-01 688.44
2003-04-01 751.67
2003-07-01 780.36
2003-10-01 870.16
2004-01-01 853.11
2004-04-01 864.86
2004-07-01 881.99
2004-10-01 980.92
2005-01-01 963.07
2005-04-01 932.06
2005-07-01 936.38
2005-10-01 961.20
2006-01-01 1008.03
2006-04-01 1097.90
2006-07-01 1133.63
2006-10-01 1236.37
2007-01-01 1308.77
2007-04-01 1375.06
2007-07-01 1442.42
2007-10-01 1510.80
2008-01-01 1604.71
2008-04-01 1671.83
2008-07-01 1545.13
2008-10-01 1524.27
2009-01-01 1552.26
2009-04-01 1714.72
2009-07-01 1784.02
2009-10-01 1783.18
2010-01-01 1751.20
2010-04-01 1616.59
2010-07-01 1813.90
2010-10-01 1802.92
2011-01-01 1903.69
2011-04-01 1954.97
2011-07-01 1860.07
2011-10-01 1844.97
2012-01-01 1924.30
2012-04-01 1840.43
2012-07-01 1923.49
2012-10-01 1967.40
2013-01-01 1921.51
2013-04-01 1973.11
2013-07-01 2053.08
2013-10-01 2083.20
2014-01-01 2088.22
2014-04-01 2075.82
2014-07-01 1948.18
2014-10-01 1895.66
2015-01-01 1737.69
2015-04-01 1814.12