Quarterly Millions of US Dollars
1972-07-01 0
1972-10-01 0
1973-01-01 0
1973-04-01 0
1973-07-01 0
1973-10-01 0
1974-01-01 0
1974-04-01 0
1974-07-01 0
1974-10-01 0
1975-01-01 0
1975-04-01 0
1975-07-01 0
1975-10-01 0
1976-01-01 0
1976-04-01 0
1976-07-01 0
1976-10-01 0
1977-01-01 0
1977-04-01 0
1977-07-01 0
1977-10-01 0
1978-01-01 0
1978-04-01 0
1978-07-01 0
1978-10-01 0
1979-01-01 0
1979-04-01 0
1979-07-01 0
1979-10-01 0
1980-01-01 0
1980-04-01 50
1980-07-01 50
1980-10-01 50
1981-01-01 50
1981-04-01 25
1981-07-01 55
1981-10-01 76
1982-01-01 117
1982-04-01 126
1982-07-01 118
1982-10-01 194
1983-01-01 147
1983-04-01 111
1983-07-01 110
1983-10-01 25
1984-01-01 64
1984-04-01 96
1984-07-01 68
1984-10-01 233
1985-01-01 202
1985-04-01 181
1985-07-01 187
1985-10-01 60
1986-01-01 60
1986-04-01 85
1986-07-01 127
1986-10-01 107
1987-01-01 135
1987-04-01 148
1987-07-01 142
1987-10-01 239
1988-01-01 252
1988-04-01 218
1988-07-01 220
1988-10-01 119
1989-01-01 91
1989-04-01 181
1989-07-01 153
1989-10-01 189
1990-01-01 223
1990-04-01 104
1990-07-01 105
1990-10-01 70
1991-01-01 18
1991-04-01 35
1991-07-01 138
1991-10-01 199
1992-01-01 249
1992-04-01 745
1992-07-01 723
1992-10-01 657
1993-01-01 686
1993-04-01 267
1993-07-01 277
1993-10-01 259
1994-01-01 179
1994-04-01 256
1994-07-01 251
1994-10-01 348
1995-01-01 398
1995-04-01 220
1995-07-01 101
2012-10-01 0
2013-01-01 0
2013-04-01 0
2013-07-01 0
2013-10-01 0
2014-01-01 0
2014-04-01 0
2014-07-01 0
2014-10-01 0
2015-01-01 0
2015-04-01 0
2015-07-01 0
2015-10-01 199
2016-01-01 208
2016-04-01 453
2016-07-01 454
2016-10-01 575
2017-01-01 575
2017-04-01 325
2017-07-01 325