Quarterly Millions of US Dollars
1971-01-01 15
1971-04-01 15
1971-07-01 15
1971-10-01 15
1972-01-01 88
1972-04-01 89
1972-07-01 116
1972-10-01 136
1973-01-01 196
1973-04-01 262
1973-07-01 269
1973-10-01 252
1974-01-01 277
1974-04-01 278
1974-07-01 285
1974-10-01 355
1975-01-01 519
1975-04-01 717
1975-07-01 880
1975-10-01 1415
1976-01-01 1929
1976-04-01 2196
1976-07-01 2493
1976-10-01 2869
1977-01-01 3644
1977-04-01 4532
1977-07-01 4776
1977-10-01 5931
1978-01-01 7002
1978-04-01 7715
1978-07-01 8522
1978-10-01 9380
1979-01-01 9813
1979-04-01 10278
1979-07-01 11177
1979-10-01 11308
1980-01-01 10755
1980-04-01 11657
1980-07-01 11403
1980-10-01 10666
1981-01-01 9926
1981-04-01 9130
1981-07-01 9255
1981-10-01 9723
1982-01-01 8734
1982-04-01 8319
1982-07-01 8341
1982-10-01 8609
1983-01-01 8258
1983-04-01 7711
1983-07-01 7716
1983-10-01 7318
1984-01-01 7498
1984-04-01 7051
1984-07-01 6898
1984-10-01 7059
1985-01-01 7120
1985-04-01 7349
1985-07-01 8783
1985-10-01 8485
1986-01-01 9277
1986-04-01 10464
1986-07-01 12655
1986-10-01 13937
1987-01-01 17931
1987-04-01 19022
1987-07-01 19624
1987-10-01 20714
1988-01-01 21696
1988-04-01 22832
1988-07-01 23101
1988-10-01 23108
1989-01-01 23562
1989-04-01 22993
1989-07-01 23130
1989-10-01 23314
1990-01-01 22523
1990-04-01 22522
1990-07-01 22859
1990-10-01 22249
1991-01-01 20535
1991-04-01 19995
1991-07-01 21550
1991-10-01 22049
1992-01-01 21333
1992-04-01 23441
1992-07-01 23610
1992-10-01 21394
1993-01-01 21548
1993-04-01 21929
1993-07-01 21466
1993-10-01 20199
1994-01-01 20138
1994-04-01 20331
1994-07-01 20683
1994-10-01 19764
1995-01-01 20658
1995-04-01 19761
1995-07-01 19512
1995-10-01 19242
1996-01-01 20110
1996-04-01 20316
1996-07-01 19493
1996-10-01 19503
1997-01-01 19513
1997-04-01 19415
1997-07-01 22796
1997-10-01 22204
1998-01-01 23700
1998-04-01 27380
1998-07-01 29232
1998-10-01 29699
1999-01-01 31336
1999-04-01 32455
1999-07-01 33623
1999-10-01 32648
2000-01-01 35279
2000-04-01 38370
2000-07-01 39561
2000-10-01 40037
2001-01-01 40169
2001-04-01 40998
2001-07-01 40794
2001-10-01 41136
2002-01-01 42307
2002-04-01 46250
2002-07-01 45167
2002-10-01 48088
2003-01-01 51682
2003-04-01 54862
2003-07-01 58043
2003-10-01 63638
2004-01-01 64253
2004-04-01 66250
2004-07-01 66584
2004-10-01 76145
2005-01-01 75382
2005-04-01 75622
2005-07-01 75705
2005-10-01 78571
2006-01-01 83080
2006-04-01 94365
2006-07-01 101134
2006-10-01 109732
2007-01-01 118042
2007-04-01 120331
2007-07-01 131480
2007-10-01 143783
2008-01-01 165401
2008-04-01 177506
2008-07-01 167622
2008-10-01 164634
2009-01-01 163975
2009-04-01 175122
2009-07-01 184455
2009-10-01 182814
2010-01-01 184892
2010-04-01 182156
2010-07-01 200884
2010-10-01 200271
2011-01-01 225985
2011-04-01 234709
2011-07-01 231587
2011-10-01 238229
2012-01-01 259929
2012-04-01 264761
2012-07-01 272429
2012-10-01 272884
2013-01-01 265052
2013-04-01 272495
2013-07-01 280377
2013-10-01 291078
2014-01-01 293344
2014-04-01 285593
2014-07-01 274131
2014-10-01 268513
2015-01-01 258737
2015-04-01 256722
2015-07-01 255809
2015-10-01 246696
2016-01-01 252642
2016-04-01 249899
2016-07-01 253829
2016-10-01 233657
2017-01-01 246632
2017-04-01 246516
2017-07-01 246696
2017-10-01 248395
2018-01-01 253121
2018-04-01 242385