Quarterly Millions of US Dollars
1970-10-01 0
1971-01-01 0
1971-04-01 0
1971-07-01 0
1971-10-01 0
1972-01-01 0
1972-04-01 0
1972-07-01 0
1972-10-01 0
1973-01-01 0
1973-04-01 0
1973-07-01 0
1973-10-01 0
1974-01-01 0
1974-04-01 0
1974-07-01 0
1974-10-01 0
1975-01-01 0
1975-04-01 0
1975-07-01 0
1975-10-01 0
1976-01-01 0
1976-04-01 0
1976-07-01 0
1976-10-01 0
1977-01-01 79
1977-04-01 81
1977-07-01 86
1977-10-01 100
1978-01-01 28
1978-04-01 54
1978-07-01 85
1978-10-01 91
1979-01-01 60
1979-04-01 30
1979-07-01 50
1979-10-01 110
1980-01-01 160
1980-04-01 240
1980-07-01 251
1980-10-01 322
1981-01-01 275
1981-04-01 310
1981-07-01 262
1981-10-01 130
1982-01-01 118
1982-04-01 12
1982-07-01 11
1982-10-01 47
1983-01-01 158
1983-04-01 149
1983-07-01 147
1983-10-01 195
1984-01-01 161
1984-04-01 159
1984-07-01 251
1984-10-01 465
1985-01-01 394
1985-04-01 432
1985-07-01 356
1985-10-01 202
1986-01-01 285
1986-04-01 250
1986-07-01 233
1986-10-01 748
1987-01-01 905
1987-04-01 1306
1987-07-01 1363
1987-10-01 1093
1988-01-01 1011
1988-04-01 946
1988-07-01 804
1988-10-01 866
1989-01-01 1064
1989-04-01 715
1989-07-01 799
1989-10-01 712
1990-01-01 477
1990-04-01 655
1990-07-01 593
1990-10-01 788
1991-01-01 731
1991-04-01 454
1991-07-01 329
1991-10-01 424
1992-01-01 1190
1992-04-01 1282
1992-07-01 2101
1992-10-01 1969
1993-01-01 1765
1993-04-01 1754
1993-07-01 2803
1993-10-01 2518
1994-01-01 2939
1994-04-01 3356
1994-07-01 5613
1994-10-01 6270
1995-01-01 5925
1995-04-01 6876
1995-07-01 7492
1995-10-01 8610
1996-01-01 9105
1996-04-01 8672
1996-07-01 4240
1996-10-01 8770
1997-01-01 9156
1997-04-01 9538
1997-07-01 10609
1997-10-01 10269
1998-01-01 10354
1998-04-01 12254
1998-07-01 11878
1998-10-01 13480
1999-01-01 13560
1999-04-01 16859
1999-07-01 20059
1999-10-01 22199
2000-01-01 25300
2000-04-01 34724
2000-07-01 37819
2000-10-01 38836
2001-01-01 33804
2001-04-01 29819
2001-07-01 23313
2001-10-01 21650
2002-01-01 23646
2002-04-01 26450
2002-07-01 31179
2002-10-01 31133
2003-01-01 28897
2003-04-01 27884
2003-07-01 27465
2003-10-01 30862
2004-01-01 24148
2004-04-01 23404
2004-07-01 20946
2004-10-01 25976
2005-01-01 29597
2005-04-01 29604
2005-07-01 31863
2005-10-01 33246
2006-01-01 34072
2006-04-01 40925
2006-07-01 43325
2006-10-01 39522
2007-01-01 43695
2007-04-01 39505
2007-07-01 49103
2007-10-01 47821
2008-01-01 47956
2008-04-01 52543
2008-07-01 37099
2008-10-01 39551
2009-01-01 34657
2009-04-01 31664
2009-07-01 27126
2009-10-01 29057
2010-01-01 34456
2010-04-01 32331
2010-07-01 34793
2010-10-01 28393
2011-01-01 27374
2011-04-01 27506
2011-07-01 27398
2011-10-01 31208
2012-01-01 30891
2012-04-01 32757
2012-07-01 33878
2012-10-01 36492
2013-01-01 46637
2013-04-01 52281
2013-07-01 54936
2013-10-01 53948
2014-01-01 44183
2014-04-01 37821
2014-07-01 36096
2014-10-01 34804
2015-01-01 31692
2015-04-01 35908
2015-07-01 41781
2015-10-01 46778
2016-01-01 48506
2016-04-01 43596
2016-07-01 38870
2016-10-01 41491
2017-01-01 37715
2017-04-01 40291
2017-07-01 42300
2017-10-01 39171
2018-01-01 41508
2018-04-01 44456