Quarterly Millions of US Dollars
1983-07-01 38
1983-10-01 37
1984-01-01 139
1984-04-01 136
1984-07-01 133
1984-10-01 132
1985-01-01 133
1985-04-01 329
1985-07-01 334
1985-10-01 337
1986-01-01 339
1986-04-01 342
1986-07-01 345
1986-10-01 348
1987-01-01 609
1987-04-01 599
1987-07-01 676
1987-10-01 745
1988-01-01 794
1988-04-01 642
1988-07-01 640
1988-10-01 723
1989-01-01 598
1989-04-01 577
1989-07-01 625
1989-10-01 645
1990-01-01 593
1990-04-01 487
1990-07-01 469
1990-10-01 465
1991-01-01 435
1991-04-01 444
1991-07-01 489
1991-10-01 499
1992-01-01 483
1992-04-01 421
1992-07-01 434
1992-10-01 431
1993-01-01 409
1993-04-01 405
1993-07-01 419
1993-10-01 349
1994-01-01 368
1994-04-01 212
1994-07-01 70
1994-10-01 46
1995-01-01 32
1995-04-01 22
1995-07-01 82
1995-10-01 72
1996-01-01 72
1996-04-01 78
1996-07-01 128
1996-10-01 128
1997-01-01 148
1997-04-01 142
1997-07-01 348
1997-10-01 342
1998-01-01 338
1998-04-01 342
1998-07-01 268
1998-10-01 268
1999-01-01 265
1999-04-01 275
1999-07-01 275
1999-10-01 275
2000-01-01 275
2000-04-01 280
2000-07-01 275
2000-10-01 275
2001-01-01 275
2001-04-01 270
2001-07-01 220
2001-10-01 240
2002-01-01 225
2002-04-01 545
2002-07-01 330
2002-10-01 325
2003-01-01 825
2003-04-01 1085
2003-07-01 1095
2003-10-01 1095
2004-01-01 1105
2004-04-01 1345
2004-07-01 1325
2004-10-01 1338
2005-01-01 1358
2005-04-01 1338
2005-07-01 1758
2005-10-01 2245
2006-01-01 2745
2006-04-01 2745
2006-07-01 3055
2006-10-01 3135
2007-01-01 3135
2007-04-01 5236
2007-07-01 5239
2007-10-01 5203
2008-01-01 5070
2008-04-01 4790
2008-07-01 4672
2008-10-01 4550
2009-01-01 4539
2009-04-01 5119
2009-07-01 5075
2009-10-01 5612
2010-01-01 6813
2010-04-01 7033
2010-07-01 7033
2010-10-01 7160
2011-01-01 6460
2011-04-01 6447
2011-07-01 6147
2011-10-01 7327
2012-01-01 6907
2012-04-01 6247
2012-07-01 7747
2012-10-01 8355
2013-01-01 8357
2013-04-01 9053
2013-07-01 10548
2013-10-01 11130
2014-01-01 11179
2014-04-01 10713
2014-07-01 12129
2014-10-01 11853
2015-01-01 12152
2015-04-01 11346
2015-07-01 11258
2015-10-01 12263
2016-01-01 12946
2016-04-01 12931
2016-07-01 12874
2016-10-01 14209
2017-01-01 15924
2017-04-01 15684
2017-07-01 22192
2017-10-01 22525
2018-01-01 21999
2018-04-01 23822