Quarterly Millions of US Dollars
1972-07-01 50
1972-10-01 50
1973-01-01 50
1973-04-01 50
1973-07-01 50
1973-10-01 50
1974-01-01 50
1974-04-01 50
1974-07-01 50
1974-10-01 50
1975-01-01 50
1975-04-01 92
1975-07-01 88
1975-10-01 88
1976-01-01 114
1976-04-01 114
1976-07-01 116
1976-10-01 117
1977-01-01 147
1977-04-01 148
1977-07-01 248
1977-10-01 300
1978-01-01 304
1978-04-01 301
1978-07-01 308
1978-10-01 315
1979-01-01 312
1979-04-01 313
1979-07-01 320
1979-10-01 321
1980-01-01 283
1980-04-01 344
1980-07-01 340
1980-10-01 332
1981-01-01 295
1981-04-01 242
1981-07-01 243
1981-10-01 244
1982-01-01 241
1982-04-01 241
1982-07-01 240
1982-10-01 242
1983-01-01 241
1983-04-01 239
1983-07-01 238
1983-10-01 237
1984-01-01 239
1984-04-01 236
1984-07-01 258
1984-10-01 296
1985-01-01 469
1985-04-01 420
1985-07-01 597
1985-10-01 529
1986-01-01 738
1986-04-01 1008
1986-07-01 1104
1986-10-01 1167
1987-01-01 1481
1987-04-01 1473
1987-07-01 1488
1987-10-01 1927
1988-01-01 2212
1988-04-01 2098
1988-07-01 2285
1988-10-01 2681
1989-01-01 2937
1989-04-01 2913
1989-07-01 3263
1989-10-01 3473
1990-01-01 3630
1990-04-01 3817
1990-07-01 4242
1990-10-01 4721
1991-01-01 4492
1991-04-01 4446
1991-07-01 4791
1991-10-01 6017
1992-01-01 6167
1992-04-01 6576
1992-07-01 7166
1992-10-01 6571
1993-01-01 7975
1993-04-01 8733
1993-07-01 10207
1993-10-01 10270
1994-01-01 11786
1994-04-01 12387
1994-07-01 13117
1994-10-01 13814
1995-01-01 15217
1995-04-01 16087
1995-07-01 15521
1995-10-01 15870
1996-01-01 15352
1996-04-01 14880
1996-07-01 14229
1996-10-01 13472
1997-01-01 12651
1997-04-01 12862
1997-07-01 12312
1997-10-01 11494
1998-01-01 10933
1998-04-01 10959
1998-07-01 11713
1998-10-01 12538
1999-01-01 11717
1999-04-01 12655
1999-07-01 12659
1999-10-01 12584
2000-01-01 11577
2000-04-01 10949
2000-07-01 10095
2000-10-01 10409
2001-01-01 9872
2001-04-01 10623
2001-07-01 11156
2001-10-01 10145
2002-01-01 9629
2002-04-01 10357
2002-07-01 10035
2002-10-01 10457
2003-01-01 11215
2003-04-01 11260
2003-07-01 11935
2003-10-01 12468
2004-01-01 11923
2004-04-01 12141
2004-07-01 13191
2004-10-01 16256
2005-01-01 18184
2005-04-01 18204
2005-07-01 18679
2005-10-01 18590
2006-01-01 22414
2006-04-01 22175
2006-07-01 24259
2006-10-01 27248
2007-01-01 30263
2007-04-01 31507
2007-07-01 33074
2007-10-01 34479
2008-01-01 38122
2008-04-01 41347
2008-07-01 38474
2008-10-01 37266
2009-01-01 33980
2009-04-01 35511
2009-07-01 38252
2009-10-01 38287
2010-01-01 37217
2010-04-01 34861
2010-07-01 36277
2010-10-01 35134
2011-01-01 39442
2011-04-01 40357
2011-07-01 38647
2011-10-01 36313
2012-01-01 36822
2012-04-01 34863
2012-07-01 35408
2012-10-01 35599
2013-01-01 36047
2013-04-01 36795
2013-07-01 38181
2013-10-01 41727
2014-01-01 43290
2014-04-01 41644
2014-07-01 36643
2014-10-01 37579
2015-01-01 34157
2015-04-01 35321
2015-07-01 35293
2015-10-01 34289
2016-01-01 34166
2016-04-01 34011
2016-07-01 32455
2016-10-01 31182
2017-01-01 31364
2017-04-01 30658
2017-07-01 29441
2017-10-01 30574
2018-01-01 28939
2018-04-01 25768