Quarterly Millions of US Dollars
1971-01-01 15
1971-04-01 44
1971-07-01 45
1971-10-01 46
1972-01-01 47
1972-04-01 47
1972-07-01 46
1972-10-01 46
1973-01-01 50
1973-04-01 56
1973-07-01 56
1973-10-01 52
1974-01-01 86
1974-04-01 168
1974-07-01 167
1974-10-01 319
1975-01-01 630
1975-04-01 914
1975-07-01 1070
1975-10-01 1454
1976-01-01 2154
1976-04-01 2686
1976-07-01 2892
1976-10-01 3242
1977-01-01 3585
1977-04-01 4088
1977-07-01 4432
1977-10-01 5081
1978-01-01 5664
1978-04-01 6274
1978-07-01 7565
1978-10-01 8241
1979-01-01 9238
1979-04-01 10395
1979-07-01 11836
1979-10-01 11798
1980-01-01 11036
1980-04-01 12486
1980-07-01 12852
1980-10-01 13262
1981-01-01 12947
1981-04-01 12896
1981-07-01 14554
1981-10-01 16103
1982-01-01 16355
1982-04-01 16255
1982-07-01 16656
1982-10-01 18776
1983-01-01 20227
1983-04-01 21656
1983-07-01 22398
1983-10-01 23683
1984-01-01 26890
1984-04-01 27217
1984-07-01 28335
1984-10-01 29269
1985-01-01 33022
1985-04-01 35648
1985-07-01 42125
1985-10-01 46054
1986-01-01 51321
1986-04-01 59033
1986-07-01 67392
1986-10-01 73638
1987-01-01 82221
1987-04-01 89793
1987-07-01 100022
1987-10-01 112986
1988-01-01 112633
1988-04-01 113700
1988-07-01 124983
1988-10-01 133364
1989-01-01 142620
1989-04-01 166463
1989-07-01 180790
1989-10-01 199267
1990-01-01 206372
1990-04-01 208737
1990-07-01 221402
1990-10-01 231146
1991-01-01 228951
1991-04-01 235779
1991-07-01 252818
1991-10-01 268432
1992-01-01 262677
1992-04-01 269393
1992-07-01 271698
1992-10-01 261367
1993-01-01 252136
1993-04-01 239564
1993-07-01 233104
1993-10-01 222618
1994-01-01 231585
1994-04-01 231130
1994-07-01 226644
1994-10-01 214662
1995-01-01 227848
1995-04-01 222989
1995-07-01 197716
1995-10-01 190465
1996-01-01 182429
1996-04-01 174899
1996-07-01 168969
1996-10-01 157623
1997-01-01 144366
1997-04-01 141983
1997-07-01 131026
1997-10-01 117777
1998-01-01 104854
1998-04-01 93826
1998-07-01 90423
1998-10-01 94666
1999-01-01 88189
1999-04-01 85436
1999-07-01 89413
1999-10-01 82413
2000-01-01 71723
2000-04-01 67554
2000-07-01 62566
2000-10-01 59004
2001-01-01 53032
2001-04-01 50134
2001-07-01 50088
2001-10-01 46003
2002-01-01 45662
2002-04-01 51761
2002-07-01 48555
2002-10-01 46871
2003-01-01 44121
2003-04-01 44676
2003-07-01 42879
2003-10-01 50824
2004-01-01 53943
2004-04-01 57148
2004-07-01 56076
2004-10-01 61611
2005-01-01 59967
2005-04-01 58340
2005-07-01 56920
2005-10-01 55549
2006-01-01 55704
2006-04-01 57362
2006-07-01 54569
2006-10-01 55215
2007-01-01 52351
2007-04-01 50106
2007-07-01 52538
2007-10-01 54384
2008-01-01 58877
2008-04-01 58477
2008-07-01 58362
2008-10-01 60956
2009-01-01 53927
2009-04-01 48904
2009-07-01 49934
2009-10-01 47740
2010-01-01 45023
2010-04-01 43831
2010-07-01 48738
2010-10-01 47652
2011-01-01 45834
2011-04-01 41672
2011-07-01 39409
2011-10-01 39179
2012-01-01 37222
2012-04-01 37078
2012-07-01 42162
2012-10-01 40715
2013-01-01 37367
2013-04-01 39516
2013-07-01 45548
2013-10-01 44252
2014-01-01 43077
2014-04-01 48311
2014-07-01 49230
2014-10-01 49473
2015-01-01 46496
2015-04-01 47269
2015-07-01 51923
2015-10-01 52724
2016-01-01 57822
2016-04-01 65909
2016-07-01 65806
2016-10-01 60253
2017-01-01 67624
2017-04-01 69368
2017-07-01 88008
2017-10-01 91142
2018-01-01 97060
2018-04-01 96016