Quarterly Millions of US Dollars
1967-04-01 0
1967-07-01 0
1967-10-01 0
1968-01-01 0
1968-04-01 0
1968-07-01 0
1968-10-01 0
1969-01-01 0
1969-04-01 0
1969-07-01 0
1969-10-01 0
1970-01-01 0
1970-04-01 0
1970-07-01 0
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 20
1977-01-01 60
1977-04-01 60
1977-07-01 60
1977-10-01 40
1978-01-01 0
1978-04-01 0
1978-07-01 0
1978-10-01 0
1979-01-01 0
1979-04-01 0
1979-07-01 0
1979-10-01 0
1980-01-01 14
1980-04-01 59
1980-07-01 83
1980-10-01 149
1981-01-01 147
1981-04-01 224
1981-07-01 203
1981-10-01 185
1982-01-01 265
1982-04-01 142
1982-07-01 141
1982-10-01 182
1983-01-01 113
1983-04-01 244
1983-07-01 289
1983-10-01 338
1984-01-01 382
1984-04-01 259
1984-07-01 226
1984-10-01 443
1985-01-01 699
1985-04-01 648
1985-07-01 1205
1985-10-01 2209
1986-01-01 2240
1986-04-01 2800
1986-07-01 2361
1986-10-01 1289
1987-01-01 1213
1987-04-01 878
1987-07-01 991
1987-10-01 1017
1988-01-01 809
1988-04-01 1340
1988-07-01 1418
1988-10-01 1558
1989-01-01 1521
1989-04-01 650
1989-07-01 659
1989-10-01 1280
1990-01-01 1499
1990-04-01 1535
1990-07-01 1466
1990-10-01 825
1991-01-01 518
1991-04-01 1006
1991-07-01 1133
1991-10-01 1551
1992-01-01 1609
1992-04-01 1981
1992-07-01 2799
1992-10-01 2617
1993-01-01 2958
1993-04-01 3456
1993-07-01 10442
1993-10-01 11508
1994-01-01 10614
1994-04-01 10038
1994-07-01 10258
1994-10-01 9556
1995-01-01 11758
1995-04-01 12669
1995-07-01 13680
1995-10-01 15548
1996-01-01 18497
1996-04-01 19458
1996-07-01 16087
1996-10-01 22069
1997-01-01 18317
1997-04-01 17677
1997-07-01 19661
1997-10-01 21087
1998-01-01 22818
1998-04-01 23911
1998-07-01 28536
1998-10-01 27871
1999-01-01 28406
1999-04-01 31939
1999-07-01 32184
1999-10-01 36280
2000-01-01 38300
2000-04-01 44245
2000-07-01 39255
2000-10-01 39713
2001-01-01 46256
2001-04-01 41719
2001-07-01 43789
2001-10-01 48288
2002-01-01 47956
2002-04-01 54429
2002-07-01 55446
2002-10-01 55329
2003-01-01 62091
2003-04-01 66372
2003-07-01 68124
2003-10-01 78114
2004-01-01 68299
2004-04-01 65632
2004-07-01 62824
2004-10-01 67521
2005-01-01 62877
2005-04-01 63278
2005-07-01 60751
2005-10-01 74438
2006-01-01 76426
2006-04-01 72596
2006-07-01 81558
2006-10-01 76952
2007-01-01 92329
2007-04-01 104192
2007-07-01 133138
2007-10-01 144594
2008-01-01 175717
2008-04-01 190414
2008-07-01 174333
2008-10-01 165216
2009-01-01 189567
2009-04-01 216719
2009-07-01 224011
2009-10-01 209278
2010-01-01 196558
2010-04-01 165779
2010-07-01 172211
2010-10-01 155952
2011-01-01 157424
2011-04-01 164199
2011-07-01 160312
2011-10-01 147738
2012-01-01 169128
2012-04-01 151893
2012-07-01 156216
2012-10-01 148655
2013-01-01 161627
2013-04-01 144292
2013-07-01 136130
2013-10-01 155893
2014-01-01 145648
2014-04-01 149805
2014-07-01 140876
2014-10-01 125799
2015-01-01 137706
2015-04-01 138169
2015-07-01 129918
2015-10-01 129421
2016-01-01 140084
2016-04-01 137763
2016-07-01 158820
2016-10-01 133342
2017-01-01 117717
2017-04-01 120250
2017-07-01 109990
2017-10-01 106845
2018-01-01 102161
2018-04-01 90665