Quarterly Millions of US Dollars
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 0
1977-04-01 0
1977-07-01 0
1977-10-01 0
1978-01-01 0
1978-04-01 0
1978-07-01 26
1978-10-01 26
1979-01-01 25
1979-04-01 25
1979-07-01 0
1979-10-01 0
1980-01-01 0
1980-04-01 0
1980-07-01 0
1980-10-01 41
1981-01-01 66
1981-04-01 66
1981-07-01 66
1981-10-01 25
1982-01-01 0
1982-04-01 15
1982-07-01 15
1982-10-01 15
1983-01-01 15
1983-04-01 0
1983-07-01 0
1983-10-01 37
1984-01-01 39
1984-04-01 36
1984-07-01 33
1984-10-01 32
1985-01-01 32
1985-04-01 32
1985-07-01 35
1985-10-01 0
1986-01-01 0
1986-04-01 27
1986-07-01 27
1986-10-01 27
1987-01-01 447
1987-04-01 464
1987-07-01 464
1987-10-01 477
1988-01-01 162
1988-04-01 203
1988-07-01 238
1988-10-01 385
1989-01-01 264
1989-04-01 500
1989-07-01 772
1989-10-01 1171
1990-01-01 1241
1990-04-01 1040
1990-07-01 816
1990-10-01 288
1991-01-01 204
1991-04-01 81
1991-07-01 51
1991-10-01 52
1992-01-01 24
1992-04-01 360
1992-07-01 713
1992-10-01 1271
1993-01-01 1471
1993-04-01 1323
1993-07-01 1436
1993-10-01 1152
1994-01-01 1419
1994-04-01 1419
1994-07-01 1424
1994-10-01 1957
1995-01-01 2177
1995-04-01 3807
1995-07-01 4244
1995-10-01 4561
1996-01-01 4081
1996-04-01 4227
1996-07-01 4044
1996-10-01 6922
1997-01-01 7003
1997-04-01 7189
1997-07-01 7139
1997-10-01 6315
1998-01-01 6555
1998-04-01 8508
1998-07-01 9307
1998-10-01 10181
1999-01-01 9983
1999-04-01 9380
1999-07-01 9318
1999-10-01 9445
2000-01-01 9611
2000-04-01 9180
2000-07-01 10439
2000-10-01 9746
2001-01-01 11159
2001-04-01 11201
2001-07-01 10233
2001-10-01 11672
2002-01-01 8709
2002-04-01 9653
2002-07-01 8289
2002-10-01 7570
2003-01-01 7163
2003-04-01 7934
2003-07-01 9362
2003-10-01 10046
2004-01-01 10913
2004-04-01 9514
2004-07-01 10442
2004-10-01 10284
2005-01-01 11809
2005-04-01 11541
2005-07-01 10639
2005-10-01 11463
2006-01-01 13071
2006-04-01 13532
2006-07-01 15258
2006-10-01 18230
2007-01-01 17956
2007-04-01 22813
2007-07-01 25776
2007-10-01 25041
2008-01-01 27728
2008-04-01 26307
2008-07-01 23383
2008-10-01 18546
2009-01-01 18883
2009-04-01 22791
2009-07-01 25067
2009-10-01 25277
2010-01-01 24029
2010-04-01 23409
2010-07-01 23927
2010-10-01 22717
2011-01-01 26959
2011-04-01 30404
2011-07-01 30149
2011-10-01 35688
2012-01-01 33126
2012-04-01 31353
2012-07-01 35780
2012-10-01 26916
2013-01-01 30698
2013-04-01 34802
2013-07-01 40517
2013-10-01 41807
2014-01-01 43377
2014-04-01 37768
2014-07-01 36569
2014-10-01 46130
2015-01-01 46258
2015-04-01 47016
2015-07-01 45173
2015-10-01 42505
2016-01-01 45722
2016-04-01 49446
2016-07-01 50024
2016-10-01 43013
2017-01-01 39317
2017-04-01 33243
2017-07-01 32297
2017-10-01 37373
2018-01-01 37801
2018-04-01 39989