Quarterly Billions of US Dollars
1966-01-01 0.08
1966-04-01 0.05
1966-07-01 0.03
1966-10-01 0.02
1967-01-01 0.04
1967-04-01 0.13
1967-07-01 0.02
1967-10-01 0.02
1968-01-01 0.30
1968-04-01 0.49
1968-07-01 0.21
1968-10-01 0.09
1969-01-01 0.23
1969-04-01 0.03
1969-07-01 0.03
1969-10-01 0.16
1970-01-01 0.07
1970-04-01 0.02
1970-07-01 0.28
1970-10-01 0.04
1971-01-01 0.99
1971-04-01 0.51
1971-07-01 0.28
1971-10-01 1.31
1972-01-01 2.67
1972-04-01 2.58
1972-07-01 2.30
1972-10-01 2.98
1973-01-01 2.47
1973-04-01 2.18
1973-07-01 1.74
1973-10-01 2.27
1974-01-01 1.63
1974-04-01 2.28
1974-07-01 2.02
1974-10-01 3.27
1975-01-01 4.64
1975-04-01 6.45
1975-07-01 3.50
1975-10-01 6.77
1976-01-01 9.56
1976-04-01 7.49
1976-07-01 7.85
1976-10-01 9.10
1977-01-01 8.40
1977-04-01 8.73
1977-07-01 8.69
1977-10-01 8.68
1978-01-01 9.89
1978-04-01 9.27
1978-07-01 9.16
1978-10-01 7.28
1979-01-01 10.35
1979-04-01 9.52
1979-07-01 9.77
1979-10-01 8.28
1980-01-01 6.62
1980-04-01 12.18
1980-07-01 8.83
1980-10-01 9.16
1981-01-01 9.01
1981-04-01 11.63
1981-07-01 10.87
1981-10-01 16.90
1982-01-01 21.79
1982-04-01 17.70
1982-07-01 18.36
1982-10-01 17.39
1983-01-01 20.87
1983-04-01 19.09
1983-07-01 13.69
1983-10-01 20.24
1984-01-01 27.59
1984-04-01 20.79
1984-07-01 23.52
1984-10-01 34.13
1985-01-01 36.25
1985-04-01 36.18
1985-07-01 34.32
1985-10-01 41.04
1986-01-01 50.00
1986-04-01 52.44
1986-07-01 52.09
1986-10-01 46.63
1987-01-01 54.20
1987-04-01 43.90
1987-07-01 39.76
1987-10-01 26.18
1988-01-01 54.48
1988-04-01 56.59
1988-07-01 53.70
1988-10-01 42.94
1989-01-01 73.22
1989-04-01 64.91
1989-07-01 53.39
1989-10-01 57.37
1990-01-01 96.12
1990-04-01 52.14
1990-07-01 59.84
1990-10-01 74.78
1991-01-01 90.50
1991-04-01 78.88
1991-07-01 73.23
1991-10-01 64.68
1992-01-01 97.30
1992-04-01 94.66
1992-07-01 70.50
1992-10-01 80.03
1993-01-01 132.54
1993-04-01 94.60
1993-07-01 116.86
1993-10-01 130.89
1994-01-01 132.46
1994-04-01 144.22
1994-07-01 121.35
1994-10-01 114.79
1995-01-01 115.53
1995-04-01 122.56
1995-07-01 139.62
1995-10-01 125.91
1996-01-01 200.29
1996-04-01 237.70
1996-07-01 246.22
1996-10-01 215.84
1997-01-01 242.55
1997-04-01 222.92
1997-07-01 233.65
1997-10-01 161.89
1998-01-01 277.32
1998-04-01 260.11
1998-07-01 197.17
1998-10-01 203.46
1999-01-01 336.77
1999-04-01 342.57
1999-07-01 317.81
1999-10-01 257.18
2000-01-01 369.17
2000-04-01 349.63
2000-07-01 368.63
2000-10-01 334.44
2001-01-01 554.58
2001-04-01 553.47
2001-07-01 351.43
2001-10-01 467.00
2002-01-01 477.62
2002-04-01 452.70
2002-07-01 327.98
2002-10-01 394.55
2003-01-01 601.21
2003-04-01 620.36
2003-07-01 524.51
2003-10-01 580.19
2004-01-01 758.76
2004-04-01 628.47
2004-07-01 596.46
2004-10-01 661.59
2005-01-01 802.79
2005-04-01 769.98
2005-07-01 639.70
2005-10-01 829.92
2006-01-01 926.95
2006-04-01 935.06
2006-07-01 881.54
2006-10-01 1192.08
2007-01-01 1253.52
2007-04-01 1331.93
2007-07-01 759.35
2007-10-01 779.62
2008-01-01 820.20
2008-04-01 1375.46
2008-07-01 829.35
2008-10-01 1041.44
2009-01-01 1081.25
2009-04-01 1182.61
2009-07-01 868.66
2009-10-01 827.88
2010-01-01 1009.62
2010-04-01 705.86
2010-07-01 858.12
2010-10-01 718.97
2011-01-01 1058.99
2011-04-01 932.99
2011-07-01 638.99
2011-10-01 710.94
2012-01-01 1321.52
2012-04-01 751.68
2012-07-01 847.86
2012-10-01 816.34
2013-01-01 921.01
2013-04-01 894.55
2013-07-01 803.33
2013-10-01 918.49
2014-01-01 1063.45
2014-04-01 1185.01
2014-07-01 891.61
2014-10-01 764.19
2015-01-01 1026.48
2015-04-01 868.73