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 38
1985-01-01 38
1985-04-01 38
1985-07-01 40
1985-10-01 0
1986-01-01 25
1986-04-01 52
1986-07-01 52
1986-10-01 52
1987-01-01 447
1987-04-01 514
1987-07-01 514
1987-10-01 527
1988-01-01 212
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
1990-07-01 786
1990-10-01 258
1991-01-01 149
1991-04-01 26
1991-07-01 76
1991-10-01 77
1992-01-01 74
1992-04-01 410
1992-07-01 713
1992-10-01 1271
1993-01-01 1471
1993-04-01 1323
1993-07-01 1273
1993-10-01 945
1994-01-01 1149
1994-04-01 1060
1994-07-01 1111
1994-10-01 1633
1995-01-01 1846
1995-04-01 3402
1995-07-01 3875
1995-10-01 4498
1996-01-01 3841
1996-04-01 3940
1996-07-01 3728
1996-10-01 6678
1997-01-01 6536
1997-04-01 6741
1997-07-01 6952
1997-10-01 6187
1998-01-01 6395
1998-04-01 8236
1998-07-01 8956
1998-10-01 9950
1999-01-01 9805
1999-04-01 8993
1999-07-01 8739
1999-10-01 8600
2000-01-01 8831
2000-04-01 7902
2000-07-01 9351
2000-10-01 9032
2001-01-01 10153
2001-04-01 10124
2001-07-01 8825
2001-10-01 10325
2002-01-01 7879
2002-04-01 9209
2002-07-01 7834
2002-10-01 7124
2003-01-01 6897
2003-04-01 6872
2003-07-01 8104
2003-10-01 8066
2004-01-01 8559
2004-04-01 7636
2004-07-01 6885
2004-10-01 7399
2005-01-01 9014
2005-04-01 9014
2005-07-01 9606
2005-10-01 9935
2006-01-01 11509
2006-04-01 11595
2006-07-01 12986
2006-10-01 16302
2007-01-01 16443
2007-04-01 20943
2007-07-01 23445
2007-10-01 21315
2008-01-01 23316
2008-04-01 21943
2008-07-01 20660
2008-10-01 16409
2009-01-01 16628
2009-04-01 20141
2009-07-01 21645
2009-10-01 22454
2010-01-01 21431
2010-04-01 21137
2010-07-01 21852
2010-10-01 21120
2011-01-01 24677
2011-04-01 28531
2011-07-01 28357
2011-10-01 33218
2012-01-01 30897
2012-04-01 29349
2012-07-01 32803
2012-10-01 24375
2013-01-01 28644
2013-04-01 32319
2013-07-01 36842
2013-10-01 38512
2014-01-01 39494
2014-04-01 32971
2014-07-01 31027
2014-10-01 40350
2015-01-01 41759
2015-04-01 43490
2015-07-01 43560
2015-10-01 41686
2016-01-01 43645
2016-04-01 44930
2016-07-01 45317
2016-10-01 38408
2017-01-01 35595
2017-04-01 33322
2017-07-01 31902
2017-10-01 36376
2018-01-01 39201
2018-04-01 39100