Quarterly Millions of US Dollars
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 0
1977-10-01 0
1978-01-01 0
1978-04-01 0
1978-07-01 0
1978-10-01 0
1979-01-01 25
1979-04-01 25
1979-07-01 25
1979-10-01 25
1980-01-01 30
1980-04-01 166
1980-07-01 164
1980-10-01 194
1981-01-01 161
1981-04-01 35
1981-07-01 70
1981-10-01 58
1982-01-01 116
1982-04-01 174
1982-07-01 175
1982-10-01 172
1983-01-01 112
1983-04-01 123
1983-07-01 89
1983-10-01 114
1984-01-01 115
1984-04-01 93
1984-07-01 192
1984-10-01 258
1985-01-01 278
1985-04-01 251
1985-07-01 157
1985-10-01 74
1986-01-01 55
1986-04-01 63
1986-07-01 67
1986-10-01 40
1987-01-01 41
1987-04-01 16
1987-07-01 12
1987-10-01 11
1988-01-01 38
1988-04-01 55
1988-07-01 134
1988-10-01 133
1989-01-01 103
1989-04-01 147
1989-07-01 94
1989-10-01 92
1990-01-01 86
1990-04-01 23
1990-07-01 0
1990-10-01 111
1991-01-01 268
1991-04-01 282
1991-07-01 296
1991-10-01 440
1992-01-01 605
1992-04-01 768
1992-07-01 793
1992-10-01 789
1993-01-01 851
1993-04-01 742
1993-07-01 979
1993-10-01 964
1994-01-01 1545
1994-04-01 2016
1994-07-01 2610
1994-10-01 3340
1995-01-01 3006
1995-04-01 3707
1995-07-01 5154
1995-10-01 5321
1996-01-01 5795
1996-04-01 4946
1996-07-01 3003
1996-10-01 2794
1997-01-01 2713
1997-04-01 3348
1997-07-01 4213
1997-10-01 6713
1998-01-01 5896
1998-04-01 7336
1998-07-01 7593
1998-10-01 5609
1999-01-01 7072
1999-04-01 5460
1999-07-01 6219
1999-10-01 6945
2000-01-01 5269
2000-04-01 6341
2000-07-01 4580
2000-10-01 6719
2001-01-01 6710
2001-04-01 8611
2001-07-01 9109
2001-10-01 9321
2002-01-01 9144
2002-04-01 10307
2002-07-01 11289
2002-10-01 9873
2003-01-01 13182
2003-04-01 9791
2003-07-01 9969
2003-10-01 10420
2004-01-01 9300
2004-04-01 9218
2004-07-01 13371
2004-10-01 15850
2005-01-01 11848
2005-04-01 13094
2005-07-01 9037
2005-10-01 11281
2006-01-01 11500
2006-04-01 14201
2006-07-01 14258
2006-10-01 11324
2007-01-01 14972
2007-04-01 11341
2007-07-01 10734
2007-10-01 10749
2008-01-01 12237
2008-04-01 14717
2008-07-01 19342
2008-10-01 20616
2009-01-01 22582
2009-04-01 23679
2009-07-01 23910
2009-10-01 22852
2010-01-01 20426
2010-04-01 18454
2010-07-01 19843
2010-10-01 24773
2011-01-01 23071
2011-04-01 24567
2011-07-01 22989
2011-10-01 19650
2012-01-01 29196
2012-04-01 25660
2012-07-01 25125
2012-10-01 23971
2013-01-01 34427
2013-04-01 40192
2013-07-01 45751
2013-10-01 45447
2014-01-01 30010
2014-04-01 30237
2014-07-01 31884
2014-10-01 53757
2015-01-01 54002
2015-04-01 53973
2015-07-01 52427
2015-10-01 29693
2016-01-01 29758
2016-04-01 35707
2016-07-01 36366
2016-10-01 38425
2017-01-01 42061
2017-04-01 52085
2017-07-01 53023
2017-10-01 58610
2018-01-01 57437
2018-04-01 50324