Quarterly Millions of US Dollars
1975-01-01 64
1975-04-01 198
1975-07-01 178
1975-10-01 180
1976-01-01 234
1976-04-01 251
1976-07-01 287
1976-10-01 324
1977-01-01 502
1977-04-01 759
1977-07-01 940
1977-10-01 1317
1978-01-01 1364
1978-04-01 1722
1978-07-01 1849
1978-10-01 1860
1979-01-01 1985
1979-04-01 2770
1979-07-01 2909
1979-10-01 3288
1980-01-01 3534
1980-04-01 4714
1980-07-01 5319
1980-10-01 5832
1981-01-01 5933
1981-04-01 5861
1981-07-01 5956
1981-10-01 6380
1982-01-01 6873
1982-04-01 6680
1982-07-01 6634
1982-10-01 7334
1983-01-01 8595
1983-04-01 8115
1983-07-01 8152
1983-10-01 9264
1984-01-01 9816
1984-04-01 11491
1984-07-01 12038
1984-10-01 13287
1985-01-01 11996
1985-04-01 14514
1985-07-01 14900
1985-10-01 14440
1986-01-01 14817
1986-04-01 15242
1986-07-01 15761
1986-10-01 15370
1987-01-01 16330
1987-04-01 15690
1987-07-01 15469
1987-10-01 16809
1988-01-01 17216
1988-04-01 14706
1988-07-01 14521
1988-10-01 14744
1989-01-01 14172
1989-04-01 13331
1989-07-01 13554
1989-10-01 13368
1990-01-01 13097
1990-04-01 11919
1990-07-01 12219
1990-10-01 12404
1991-01-01 11533
1991-04-01 11137
1991-07-01 11513
1991-10-01 10985
1992-01-01 10299
1992-04-01 11147
1992-07-01 10856
1992-10-01 11159
1993-01-01 14699
1993-04-01 14856
1993-07-01 32087
1993-10-01 33052
1994-01-01 36862
1994-04-01 44338
1994-07-01 48903
1994-10-01 50386
1995-01-01 53890
1995-04-01 57213
1995-07-01 57636
1995-10-01 55502
1996-01-01 55915
1996-04-01 60258
1996-07-01 57205
1996-10-01 56067
1997-01-01 52180
1997-04-01 53698
1997-07-01 52537
1997-10-01 47546
1998-01-01 43844
1998-04-01 45338
1998-07-01 44872
1998-10-01 42857
1999-01-01 35463
1999-04-01 32075
1999-07-01 31921
1999-10-01 29581
2000-01-01 26720
2000-04-01 25251
2000-07-01 22206
2000-10-01 21437
2001-01-01 19199
2001-04-01 18689
2001-07-01 18077
2001-10-01 17162
2002-01-01 16949
2002-04-01 19254
2002-07-01 17975
2002-10-01 18927
2003-01-01 17381
2003-04-01 16851
2003-07-01 17126
2003-10-01 17418
2004-01-01 16415
2004-04-01 15962
2004-07-01 15978
2004-10-01 17103
2005-01-01 18474
2005-04-01 17376
2005-07-01 17295
2005-10-01 16417
2006-01-01 17324
2006-04-01 18345
2006-07-01 18135
2006-10-01 18737
2007-01-01 17852
2007-04-01 19558
2007-07-01 18582
2007-10-01 20781
2008-01-01 17686
2008-04-01 17367
2008-07-01 15830
2008-10-01 14510
2009-01-01 18739
2009-04-01 28457
2009-07-01 34041
2009-10-01 33833
2010-01-01 35676
2010-04-01 28774
2010-07-01 30900
2010-10-01 38416
2011-01-01 34835
2011-04-01 34590
2011-07-01 31285
2011-10-01 35037
2012-01-01 32203
2012-04-01 33481
2012-07-01 34239
2012-10-01 45728
2013-01-01 55792
2013-04-01 53856
2013-07-01 58551
2013-10-01 59799
2014-01-01 60260
2014-04-01 64257
2014-07-01 65118
2014-10-01 74246
2015-01-01 66820
2015-04-01 59911
2015-07-01 62333
2015-10-01 66612
2016-01-01 59884
2016-04-01 54655
2016-07-01 56292
2016-10-01 57897
2017-01-01 57390
2017-04-01 56183
2017-07-01 58048
2017-10-01 55972
2018-01-01 58956
2018-04-01 54957