Quarterly Millions of US Dollars
1974-10-01 10
1975-01-01 10
1975-04-01 10
1975-07-01 9
1975-10-01 29
1976-01-01 30
1976-04-01 30
1976-07-01 31
1976-10-01 31
1977-01-01 30
1977-04-01 30
1977-07-01 32
1977-10-01 37
1978-01-01 40
1978-04-01 54
1978-07-01 65
1978-10-01 62
1979-01-01 59
1979-04-01 60
1979-07-01 64
1979-10-01 85
1980-01-01 73
1980-04-01 83
1980-07-01 82
1980-10-01 76
1981-01-01 86
1981-04-01 81
1981-07-01 83
1981-10-01 92
1982-01-01 85
1982-04-01 95
1982-07-01 92
1982-10-01 100
1983-01-01 130
1983-04-01 128
1983-07-01 127
1983-10-01 124
1984-01-01 125
1984-04-01 146
1984-07-01 136
1984-10-01 131
1985-01-01 130
1985-04-01 133
1985-07-01 155
1985-10-01 164
1986-01-01 160
1986-04-01 173
1986-07-01 188
1986-10-01 191
1987-01-01 206
1987-04-01 181
1987-07-01 180
1987-10-01 215
1988-01-01 201
1988-04-01 246
1988-07-01 262
1988-10-01 307
1989-01-01 236
1989-04-01 192
1989-07-01 199
1989-10-01 192
1990-01-01 198
1990-04-01 205
1990-07-01 223
1990-10-01 188
1991-01-01 164
1991-04-01 153
1991-07-01 164
1991-10-01 150
1992-01-01 136
1992-04-01 146
1992-07-01 164
1992-10-01 138
1993-01-01 135
1993-04-01 127
1993-07-01 204
1993-10-01 196
1994-01-01 206
1994-04-01 216
1994-07-01 226
1994-10-01 221
1995-01-01 254
1995-04-01 252
1995-07-01 253
1995-10-01 213
1996-01-01 206
1996-04-01 196
1996-07-01 80
1996-10-01 74
1997-01-01 69
1997-04-01 69
1997-07-01 69
2008-04-01 295
2008-07-01 272
2008-10-01 281
2009-01-01 263
2009-04-01 556
2009-07-01 583
2009-10-01 583
2010-01-01 567
2010-04-01 554
2010-07-01 616
2010-10-01 641
2011-01-01 655
2011-04-01 718
2011-07-01 666
2011-10-01 639
2012-01-01 665
2012-04-01 314
2012-07-01 321
2012-10-01 328
2013-01-01 315
2013-04-01 318
2013-07-01 331
2013-10-01 562
2014-01-01 565
2014-04-01 225
2014-07-01 209
2014-10-01 202
2015-01-01 206
2015-04-01 215
2015-07-01 205
2015-10-01 201
2016-01-01 208
2016-04-01 204
2016-07-01 205
2016-10-01 196
2017-01-01 200
2017-04-01 209
2017-07-01 206
2017-10-01 410
2018-01-01 418
2018-04-01 403