Quarterly Millions of US Dollars
1971-01-01 15
1971-04-01 15
1971-07-01 15
1971-10-01 63
1972-01-01 143
1972-04-01 175
1972-07-01 294
1972-10-01 361
1973-01-01 458
1973-04-01 506
1973-07-01 572
1973-10-01 540
1974-01-01 589
1974-04-01 590
1974-07-01 586
1974-10-01 680
1975-01-01 834
1975-04-01 862
1975-07-01 958
1975-10-01 1056
1976-01-01 1134
1976-04-01 1169
1976-07-01 1256
1976-10-01 1451
1977-01-01 1493
1977-04-01 1621
1977-07-01 1720
1977-10-01 2029
1978-01-01 2436
1978-04-01 2738
1978-07-01 3097
1978-10-01 3354
1979-01-01 3546
1979-04-01 3695
1979-07-01 3839
1979-10-01 3964
1980-01-01 3684
1980-04-01 4045
1980-07-01 3988
1980-10-01 3852
1981-01-01 3704
1981-04-01 3726
1981-07-01 3776
1981-10-01 4122
1982-01-01 3992
1982-04-01 4100
1982-07-01 4194
1982-10-01 4564
1983-01-01 4598
1983-04-01 4725
1983-07-01 4813
1983-10-01 4738
1984-01-01 5120
1984-04-01 5191
1984-07-01 5235
1984-10-01 5362
1985-01-01 5678
1985-04-01 5878
1985-07-01 6466
1985-10-01 6565
1986-01-01 7359
1986-04-01 8116
1986-07-01 9118
1986-10-01 9811
1987-01-01 12489
1987-04-01 13252
1987-07-01 13966
1987-10-01 15972
1988-01-01 16420
1988-04-01 16827
1988-07-01 17595
1988-10-01 18596
1989-01-01 20142
1989-04-01 19673
1989-07-01 20845
1989-10-01 21597
1990-01-01 22873
1990-04-01 25700
1990-07-01 28766
1990-10-01 30130
1991-01-01 30703
1991-04-01 30843
1991-07-01 33232
1991-10-01 35349
1992-01-01 35195
1992-04-01 41003
1992-07-01 44192
1992-10-01 44176
1993-01-01 46719
1993-04-01 48865
1993-07-01 48819
1993-10-01 46383
1994-01-01 49205
1994-04-01 52084
1994-07-01 57128
1994-10-01 56442
1995-01-01 61141
1995-04-01 60256
1995-07-01 57895
1995-10-01 55475
1996-01-01 55446
1996-04-01 53305
1996-07-01 51887
1996-10-01 52659
1997-01-01 51331
1997-04-01 50521
1997-07-01 48298
1997-10-01 45755
1998-01-01 42493
1998-04-01 42386
1998-07-01 43695
1998-10-01 42484
1999-01-01 39403
1999-04-01 39177
1999-07-01 42512
1999-10-01 40536
2000-01-01 37497
2000-04-01 38202
2000-07-01 35322
2000-10-01 35136
2001-01-01 32881
2001-04-01 37254
2001-07-01 37928
2001-10-01 36487
2002-01-01 37351
2002-04-01 39478
2002-07-01 38577
2002-10-01 41774
2003-01-01 49680
2003-04-01 54475
2003-07-01 57748
2003-10-01 61681
2004-01-01 64732
2004-04-01 66582
2004-07-01 64761
2004-10-01 74959
2005-01-01 70837
2005-04-01 67213
2005-07-01 69111
2005-10-01 70164
2006-01-01 75362
2006-04-01 81682
2006-07-01 73735
2006-10-01 76202
2007-01-01 75411
2007-04-01 78847
2007-07-01 74221
2007-10-01 73059
2008-01-01 74784
2008-04-01 77783
2008-07-01 68062
2008-10-01 67048
2009-01-01 70879
2009-04-01 77593
2009-07-01 82843
2009-10-01 83809
2010-01-01 83683
2010-04-01 78201
2010-07-01 87195
2010-10-01 94697
2011-01-01 112335
2011-04-01 119513
2011-07-01 115954
2011-10-01 113966
2012-01-01 127574
2012-04-01 133064
2012-07-01 137585
2012-10-01 139413
2013-01-01 141778
2013-04-01 147259
2013-07-01 156175
2013-10-01 163012
2014-01-01 169609
2014-04-01 175751
2014-07-01 167996
2014-10-01 165238
2015-01-01 156294
2015-04-01 166548
2015-07-01 170131
2015-10-01 163880
2016-01-01 166583
2016-04-01 168473
2016-07-01 168705
2016-10-01 163610
2017-01-01 170347
2017-04-01 178205
2017-07-01 185173
2017-10-01 190872
2018-01-01 202484
2018-04-01 192907