Quarterly Billions of US Dollars
1966-01-01 0.07
1966-04-01 0.03
1966-07-01 0.02
1967-01-01 0.01
1967-04-01 0.11
1967-10-01 0.02
1968-01-01 0.19
1968-04-01 0.35
1968-07-01 0.14
1968-10-01 0.06
1969-01-01 0.14
1969-04-01 0.03
1969-07-01 0.03
1969-10-01 0.15
1970-01-01 0.03
1970-07-01 0.08
1970-10-01 0.02
1971-01-01 0.59
1971-04-01 0.20
1971-07-01 0.13
1971-10-01 0.43
1972-01-01 1.19
1972-04-01 1.65
1972-07-01 1.43
1972-10-01 1.89
1973-01-01 1.53
1973-04-01 1.13
1973-07-01 1.08
1973-10-01 1.26
1974-01-01 1.04
1974-04-01 1.22
1974-07-01 1.59
1974-10-01 1.90
1975-01-01 3.54
1975-04-01 4.47
1975-07-01 2.76
1975-10-01 4.54
1976-01-01 6.86
1976-04-01 5.38
1976-07-01 4.45
1976-10-01 6.18
1977-01-01 5.23
1977-04-01 5.78
1977-07-01 4.75
1977-10-01 5.40
1978-01-01 6.40
1978-04-01 6.83
1978-07-01 4.39
1978-10-01 4.29
1979-01-01 7.50
1979-04-01 5.88
1979-07-01 5.83
1979-10-01 5.26
1980-01-01 5.15
1980-04-01 7.29
1980-07-01 5.12
1980-10-01 5.87
1981-01-01 5.95
1981-04-01 7.52
1981-07-01 7.06
1981-10-01 10.86
1982-01-01 13.54
1982-04-01 9.90
1982-07-01 10.34
1982-10-01 10.69
1983-01-01 14.00
1983-04-01 11.34
1983-07-01 7.60
1983-10-01 13.20
1984-01-01 18.84
1984-04-01 14.50
1984-07-01 17.60
1984-10-01 25.54
1985-01-01 28.40
1985-04-01 27.99
1985-07-01 25.55
1985-10-01 31.70
1986-01-01 39.47
1986-04-01 43.41
1986-07-01 43.96
1986-10-01 37.87
1987-01-01 43.00
1987-04-01 35.86
1987-07-01 31.71
1987-10-01 19.21
1988-01-01 43.54
1988-04-01 47.39
1988-07-01 45.63
1988-10-01 33.18
1989-01-01 58.37
1989-04-01 56.82
1989-07-01 41.14
1989-10-01 48.15
1990-01-01 48.14
1990-04-01 37.97
1990-07-01 44.00
1990-10-01 46.15
1991-01-01 66.04
1991-04-01 65.74
1991-07-01 56.80
1991-10-01 49.55
1992-01-01 68.60
1992-04-01 61.44
1992-07-01 50.52
1992-10-01 58.27
1993-01-01 99.28
1993-04-01 71.31
1993-07-01 92.25
1993-10-01 80.15
1994-01-01 102.35
1994-04-01 80.23
1994-07-01 88.98
1994-10-01 78.62
1995-01-01 84.69
1995-04-01 90.05
1995-07-01 97.03
1995-10-01 93.27
1996-01-01 142.06
1996-04-01 176.23
1996-07-01 177.67
1996-10-01 139.50
1997-01-01 160.64
1997-04-01 145.09
1997-07-01 150.11
1997-10-01 106.08
1998-01-01 189.61
1998-04-01 188.61
1998-07-01 141.85
1998-10-01 147.23
1999-01-01 262.10
1999-04-01 273.70
1999-07-01 261.21
1999-10-01 195.18
2000-01-01 259.33
2000-04-01 284.64
2000-07-01 286.06
2000-10-01 279.53
2001-01-01 459.52
2001-04-01 428.91
2001-07-01 287.22
2001-10-01 392.38
2002-01-01 393.41
2002-04-01 370.93
2002-07-01 269.39
2002-10-01 322.75
2003-01-01 501.57
2003-04-01 523.69
2003-07-01 450.99
2003-10-01 506.98
2004-01-01 660.95
2004-04-01 530.08
2004-07-01 507.06
2004-10-01 567.09
2005-01-01 672.87
2005-04-01 659.74
2005-07-01 515.97
2005-10-01 684.43
2006-01-01 767.27
2006-04-01 787.37
2006-07-01 715.33
2006-10-01 959.78
2007-01-01 1015.13
2007-04-01 1069.60
2007-07-01 620.47
2007-10-01 660.93
2008-01-01 706.44
2008-04-01 1233.74
2008-07-01 749.03
2008-10-01 974.01
2009-01-01 962.09
2009-04-01 1005.07
2009-07-01 744.51
2009-10-01 701.15
2010-01-01 842.42
2010-04-01 575.27
2010-07-01 692.13
2010-10-01 591.30
2011-01-01 849.47
2011-04-01 742.92
2011-07-01 493.07
2011-10-01 551.26
2012-01-01 930.89
2012-04-01 565.03
2012-07-01 641.16
2012-10-01 592.77
2013-01-01 672.50
2013-04-01 636.07
2013-07-01 603.89
2013-10-01 702.32
2014-01-01 791.38
2014-04-01 857.46
2014-07-01 667.84
2014-10-01 568.53
2015-01-01 787.60
2015-04-01 642.19