Quarterly Millions of US Dollars
1978-01-01 64
1978-04-01 112
1978-07-01 124
1978-10-01 164
1979-01-01 157
1979-04-01 157
1979-07-01 160
1979-10-01 156
1980-01-01 146
1980-04-01 159
1980-07-01 159
1980-10-01 156
1981-01-01 150
1981-04-01 140
1981-07-01 141
1981-10-01 147
1982-01-01 137
1982-04-01 133
1982-07-01 130
1982-10-01 139
1983-01-01 82
1983-04-01 82
1983-07-01 132
1983-10-01 133
1984-01-01 135
1984-04-01 221
1984-07-01 214
1984-10-01 251
1985-01-01 285
1985-04-01 289
1985-07-01 337
1985-10-01 402
1986-01-01 430
1986-04-01 457
1986-07-01 472
1986-10-01 466
1987-01-01 551
1987-04-01 549
1987-07-01 551
1987-10-01 702
1988-01-01 769
1988-04-01 717
1988-07-01 708
1988-10-01 754
1989-01-01 713
1989-04-01 668
1989-07-01 688
1989-10-01 638
1990-01-01 602
1990-04-01 507
1990-07-01 513
1990-10-01 483
1991-01-01 461
1991-04-01 425
1991-07-01 445
1991-10-01 474
1992-01-01 388
1992-04-01 413
1992-07-01 423
1992-10-01 356
1993-01-01 284
1993-04-01 294
1993-07-01 294
1993-10-01 411
1994-01-01 348
1994-04-01 353
1994-07-01 355
1994-10-01 303
1995-01-01 306
1995-04-01 305
1995-07-01 304
1995-10-01 303
1996-01-01 271
1996-04-01 272
1996-07-01 272
1996-10-01 426
1997-01-01 424
1997-04-01 425
1997-07-01 424
1997-10-01 325
1998-01-01 326
1998-04-01 435
1998-07-01 436
1998-10-01 435
1999-01-01 434
1999-04-01 433
1999-07-01 665
1999-10-01 664
2000-01-01 663
2000-04-01 911
2000-07-01 909
2000-10-01 785
2001-01-01 783
2001-04-01 782
2001-07-01 784
2001-10-01 934
2002-01-01 933
2002-04-01 936
2002-07-01 937
2002-10-01 939
2003-01-01 938
2003-04-01 940
2003-07-01 940
2003-10-01 944
2004-01-01 945
2004-04-01 945
2004-07-01 945
2004-10-01 948
2005-01-01 947
2005-04-01 944
2005-07-01 943
2005-10-01 942
2006-01-01 1342
2006-04-01 1345
2006-07-01 1346
2006-10-01 1199
2007-01-01 1199
2007-04-01 2101
2007-07-01 2101
2007-10-01 2101
2008-01-01 2100
2008-04-01 2100
2008-07-01 2095
2008-10-01 2084
2009-01-01 2083
2009-04-01 2040
2009-07-01 2890
2009-10-01 2660
2010-01-01 2660
2010-04-01 2660
2010-07-01 2660
2010-10-01 2660
2011-01-01 2660
2011-04-01 2660
2011-07-01 2660
2011-10-01 2660
2012-01-01 2660
2012-04-01 2660
2012-07-01 2660
2012-10-01 2660
2013-01-01 2660
2013-04-01 2550
2013-07-01 2550
2013-10-01 3100
2014-01-01 2950
2014-04-01 2950
2014-07-01 2950
2014-10-01 2950
2015-01-01 2950
2015-04-01 2950
2015-07-01 2950
2015-10-01 2950
2016-01-01 2950
2016-04-01 2950
2016-07-01 3950
2016-10-01 4550
2017-01-01 4550
2017-04-01 4550
2017-07-01 4550
2017-10-01 4550
2018-01-01 4550
2018-04-01 4550