Quarterly Millions of US Dollars
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 0
1980-07-01 0
1980-10-01 0
1981-01-01 0
1981-04-01 42
1981-07-01 43
1981-10-01 44
1982-01-01 41
1982-04-01 0
1982-07-01 0
1982-10-01 0
1983-01-01 0
1983-04-01 0
1983-07-01 0
1983-10-01 0
1984-01-01 0
1984-04-01 0
1984-07-01 0
1984-10-01 110
1985-01-01 126
1985-04-01 126
1985-07-01 202
1985-10-01 466
1986-01-01 450
1986-04-01 450
1986-07-01 375
1986-10-01 21
1987-01-01 78
1987-04-01 77
1987-07-01 78
1987-10-01 67
1988-01-01 0
1988-04-01 0
1988-07-01 0
1988-10-01 0
1989-01-01 0
1989-04-01 0
1989-07-01 0
1989-10-01 0
1990-01-01 0
1990-04-01 0
1990-07-01 0
1990-10-01 36
1991-01-01 54
1991-04-01 251
1991-07-01 259
1991-10-01 310
1992-01-01 380
1992-04-01 222
1992-07-01 223
1992-10-01 216
1993-01-01 120
1993-04-01 66
1993-07-01 112
1993-10-01 47
1994-01-01 113
1994-04-01 65
1994-07-01 268
1994-10-01 113
1995-01-01 29
1995-04-01 33
1995-07-01 226
1995-10-01 409
1996-01-01 410
1996-04-01 391
1996-07-01 101
1996-10-01 184
1997-01-01 256
1997-04-01 284
1997-07-01 276
1997-10-01 29
1998-01-01 53
1998-04-01 42
1998-07-01 42
1998-10-01 73
1999-01-01 90
1999-04-01 136
1999-07-01 114
1999-10-01 147
2000-01-01 158
2000-04-01 138
2000-07-01 569
2000-10-01 290
2001-01-01 0
2001-04-01 311
2001-07-01 276
2001-10-01 387
2002-01-01 405
2002-04-01 329
2002-07-01 324
2002-10-01 142
2003-01-01 41
2003-04-01 0
2003-07-01 0
2003-10-01 81
2004-01-01 250
2004-04-01 224
2004-07-01 164
2004-10-01 406
2005-01-01 658
2005-04-01 603
2005-07-01 700
2005-10-01 626
2006-01-01 507
2006-04-01 1007
2006-07-01 1058
2006-10-01 909
2007-01-01 1145
2007-04-01 587
2007-07-01 456
2007-10-01 1659
2008-01-01 1779
2008-04-01 1091
2008-07-01 422
2008-10-01 202
2009-01-01 56
2009-04-01 482
2009-07-01 439
2009-10-01 582
2010-01-01 534
2010-04-01 270
2010-07-01 344
2010-10-01 549
2011-01-01 794
2011-04-01 182
2011-07-01 1721
2011-10-01 1631
2012-01-01 1557
2012-04-01 2073
2012-07-01 468
2012-10-01 784
2013-01-01 5017
2013-04-01 4934
2013-07-01 5091
2013-10-01 4928
2014-01-01 631
2014-04-01 703
2014-07-01 399
2014-10-01 293
2015-01-01 296
2015-04-01 90
2015-07-01 2592
2015-10-01 6326
2016-01-01 7593
2016-04-01 7593
2016-07-01 5090
2016-10-01 1336
2017-01-01 75
2017-04-01 75
2017-07-01 75
2017-10-01 75
2018-01-01 361
2018-04-01 340