Quarterly Millions of US Dollars
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 32
1976-07-01 33
1976-10-01 33
1977-01-01 31
1977-04-01 0
1977-07-01 0
1977-10-01 37
1978-01-01 40
1978-04-01 40
1978-07-01 48
1978-10-01 8
1979-01-01 9
1979-04-01 49
1979-07-01 188
1979-10-01 240
1980-01-01 355
1980-04-01 407
1980-07-01 273
1980-10-01 284
1981-01-01 202
1981-04-01 339
1981-07-01 349
1981-10-01 356
1982-01-01 665
1982-04-01 748
1982-07-01 1289
1982-10-01 1292
1983-01-01 1086
1983-04-01 1106
1983-07-01 588
1983-10-01 550
1984-01-01 651
1984-04-01 412
1984-07-01 593
1984-10-01 1387
1985-01-01 1263
1985-04-01 1321
1985-07-01 1268
1985-10-01 842
1986-01-01 1201
1986-04-01 2477
1986-07-01 3092
1986-10-01 2935
1987-01-01 3217
1987-04-01 2234
1987-07-01 1870
1987-10-01 2842
1988-01-01 3143
1988-04-01 3733
1988-07-01 4108
1988-10-01 4101
1989-01-01 3957
1989-04-01 3202
1989-07-01 2723
1989-10-01 2364
1990-01-01 2469
1990-04-01 2918
1990-07-01 3485
1990-10-01 5714
1991-01-01 5259
1991-04-01 5731
1991-07-01 6265
1991-10-01 4122
1992-01-01 3827
1992-04-01 3901
1992-07-01 3878
1992-10-01 4732
1993-01-01 5062
1993-04-01 4403
1993-07-01 4117
1993-10-01 3303
1994-01-01 3119
1994-04-01 2638
1994-07-01 1856
1994-10-01 2338
1995-01-01 3981
1995-04-01 6769
1995-07-01 9405
1995-10-01 10620
1996-01-01 9209
1996-04-01 7332
1996-07-01 7604
1996-10-01 9243
1997-01-01 8727
1997-04-01 9647
1997-07-01 8731
1997-10-01 7588
1998-01-01 10658
1998-04-01 9687
1998-07-01 11143
1998-10-01 9425
1999-01-01 9106
1999-04-01 12493
1999-07-01 10809
1999-10-01 11458
2000-01-01 10205
2000-04-01 10095
2000-07-01 9341
2000-10-01 9995
2001-01-01 9280
2001-04-01 8631
2001-07-01 10971
2001-10-01 9478
2002-01-01 15424
2002-04-01 14540
2002-07-01 11820
2002-10-01 14044
2003-01-01 7578
2003-04-01 9166
2003-07-01 9752
2003-10-01 10001
2004-01-01 9234
2004-04-01 5920
2004-07-01 8719
2004-10-01 7685
2005-01-01 12094
2005-04-01 13491
2005-07-01 10770
2005-10-01 11847
2006-01-01 7860
2006-04-01 7756
2006-07-01 9904
2006-10-01 9132
2007-01-01 10344
2007-04-01 10989
2007-07-01 12186
2007-10-01 15611
2008-01-01 16536
2008-04-01 17160
2008-07-01 15535
2008-10-01 10866
2009-01-01 9307
2009-04-01 8290
2009-07-01 7268
2009-10-01 6500
2010-01-01 6623
2010-04-01 9182
2010-07-01 7527
2010-10-01 9188
2011-01-01 10326
2011-04-01 10467
2011-07-01 10478
2011-10-01 12442
2012-01-01 11880
2012-04-01 14759
2012-07-01 15550
2012-10-01 12922
2013-01-01 12773
2013-04-01 14096
2013-07-01 16123
2013-10-01 15595
2014-01-01 17965
2014-04-01 24779
2014-07-01 23545
2014-10-01 22898
2015-01-01 19776
2015-04-01 17181
2015-07-01 19183
2015-10-01 21969
2016-01-01 23854
2016-04-01 19284
2016-07-01 13664
2016-10-01 13537
2017-01-01 13367
2017-04-01 13258
2017-07-01 16858
2017-10-01 14137
2018-01-01 17130
2018-04-01 20023