Quarterly Millions of US Dollars
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 0
1977-04-01 0
1977-07-01 34
1977-10-01 40
1978-01-01 43
1978-04-01 43
1978-07-01 0
1978-10-01 0
1979-01-01 0
1979-04-01 20
1979-07-01 20
1979-10-01 20
1980-01-01 20
1980-04-01 0
1980-07-01 30
1980-10-01 55
1981-01-01 70
1981-04-01 123
1981-07-01 137
1981-10-01 137
1982-01-01 214
1982-04-01 183
1982-07-01 139
1982-10-01 134
1983-01-01 57
1983-04-01 32
1983-07-01 59
1983-10-01 48
1984-01-01 43
1984-04-01 132
1984-07-01 154
1984-10-01 255
1985-01-01 346
1985-04-01 293
1985-07-01 296
1985-10-01 323
1986-01-01 226
1986-04-01 197
1986-07-01 178
1986-10-01 31
1987-01-01 111
1987-04-01 185
1987-07-01 237
1987-10-01 342
1988-01-01 270
1988-04-01 181
1988-07-01 167
1988-10-01 345
1989-01-01 362
1989-04-01 405
1989-07-01 363
1989-10-01 131
1990-01-01 149
1990-04-01 190
1990-07-01 262
1990-10-01 331
1991-01-01 312
1991-04-01 423
1991-07-01 369
1991-10-01 369
1992-01-01 349
1992-04-01 146
1992-07-01 117
1992-10-01 183
1993-01-01 267
1993-04-01 423
1993-07-01 1889
1993-10-01 1904
1994-01-01 2741
1994-04-01 3213
1994-07-01 3844
1994-10-01 3994
1995-01-01 2619
1995-04-01 2087
1995-07-01 2820
1995-10-01 3585
1996-01-01 5086
1996-04-01 4890
1996-07-01 3602
1996-10-01 4832
1997-01-01 4313
1997-04-01 5016
1997-07-01 5166
1997-10-01 6348
1998-01-01 6429
1998-04-01 8579
1998-07-01 9055
1998-10-01 8829
1999-01-01 10479
1999-04-01 8871
1999-07-01 10109
1999-10-01 10058
2000-01-01 9918
2000-04-01 11296
2000-07-01 11022
2000-10-01 12642
2001-01-01 13636
2001-04-01 15926
2001-07-01 16796
2001-10-01 13711
2002-01-01 13508
2002-04-01 13640
2002-07-01 16643
2002-10-01 18706
2003-01-01 22693
2003-04-01 22362
2003-07-01 20180
2003-10-01 22013
2004-01-01 19068
2004-04-01 21088
2004-07-01 20113
2004-10-01 24322
2005-01-01 24884
2005-04-01 26002
2005-07-01 28344
2005-10-01 27409
2006-01-01 29018
2006-04-01 28739
2006-07-01 29541
2006-10-01 31380
2007-01-01 37855
2007-04-01 42414
2007-07-01 42551
2007-10-01 43253
2008-01-01 39426
2008-04-01 44668
2008-07-01 45682
2008-10-01 45311
2009-01-01 32536
2009-04-01 31821
2009-07-01 34484
2009-10-01 37651
2010-01-01 41280
2010-04-01 39906
2010-07-01 44296
2010-10-01 43343
2011-01-01 39616
2011-04-01 43772
2011-07-01 42079
2011-10-01 39304
2012-01-01 42147
2012-04-01 43695
2012-07-01 48064
2012-10-01 59744
2013-01-01 60304
2013-04-01 65081
2013-07-01 68313
2013-10-01 70854
2014-01-01 71725
2014-04-01 72106
2014-07-01 74630
2014-10-01 71259
2015-01-01 65167
2015-04-01 57268
2015-07-01 48637
2015-10-01 47241
2016-01-01 60939
2016-04-01 65204
2016-07-01 65564
2016-10-01 66994
2017-01-01 67298
2017-04-01 62652
2017-07-01 63799
2017-10-01 60654
2018-01-01 62023
2018-04-01 66280