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
1980-04-01 136
1980-07-01 134
1980-10-01 129
1981-01-01 96
1981-04-01 0
1981-07-01 28
1981-10-01 49
1982-01-01 108
1982-04-01 167
1982-07-01 175
1982-10-01 172
1983-01-01 112
1983-04-01 103
1983-07-01 69
1983-10-01 95
1984-01-01 96
1984-04-01 93
1984-07-01 192
1984-10-01 233
1985-01-01 234
1985-04-01 207
1985-07-01 112
1985-10-01 36
1986-01-01 86
1986-04-01 67
1986-07-01 70
1986-10-01 61
1987-01-01 11
1987-04-01 11
1987-07-01 9
1987-10-01 8
1988-01-01 8
1988-04-01 28
1988-07-01 80
1988-10-01 78
1989-01-01 77
1989-04-01 122
1989-07-01 74
1989-10-01 72
1990-01-01 66
1990-04-01 3
1990-07-01 0
1990-10-01 111
1991-01-01 251
1991-04-01 265
1991-07-01 279
1991-10-01 410
1992-01-01 592
1992-04-01 755
1992-07-01 892
1992-10-01 900
1993-01-01 962
1993-04-01 854
1993-07-01 979
1993-10-01 964
1994-01-01 1545
1994-04-01 2016
1994-07-01 2457
1994-10-01 2976
1995-01-01 2606
1995-04-01 3304
1995-07-01 4932
1995-10-01 5375
1996-01-01 5868
1996-04-01 5070
1996-07-01 3036
1996-10-01 3064
1997-01-01 2989
1997-04-01 3643
1997-07-01 4424
1997-10-01 6997
1998-01-01 6211
1998-04-01 7495
1998-07-01 7952
1998-10-01 6106
1999-01-01 7597
1999-04-01 6288
1999-07-01 7512
1999-10-01 8464
2000-01-01 6624
2000-04-01 7021
2000-07-01 4656
2000-10-01 6834
2001-01-01 6845
2001-04-01 9262
2001-07-01 9862
2001-10-01 10916
2002-01-01 10660
2002-04-01 11521
2002-07-01 12925
2002-10-01 11672
2003-01-01 15162
2003-04-01 11580
2003-07-01 12062
2003-10-01 12750
2004-01-01 11345
2004-04-01 12470
2004-07-01 16120
2004-10-01 17399
2005-01-01 14192
2005-04-01 14898
2005-07-01 11045
2005-10-01 12961
2006-01-01 14074
2006-04-01 15688
2006-07-01 17492
2006-10-01 16189
2007-01-01 19515
2007-04-01 18976
2007-07-01 18567
2007-10-01 20047
2008-01-01 24048
2008-04-01 26521
2008-07-01 28664
2008-10-01 30079
2009-01-01 30372
2009-04-01 31139
2009-07-01 33737
2009-10-01 31667
2010-01-01 29332
2010-04-01 29449
2010-07-01 31327
2010-10-01 34094
2011-01-01 34150
2011-04-01 34673
2011-07-01 31511
2011-10-01 32331
2012-01-01 45011
2012-04-01 43209
2012-07-01 45698
2012-10-01 43985
2013-01-01 54529
2013-04-01 59124
2013-07-01 66677
2013-10-01 63311
2014-01-01 48040
2014-04-01 46213
2014-07-01 47676
2014-10-01 74879
2015-01-01 70585
2015-04-01 68532
2015-07-01 65929
2015-10-01 38695
2016-01-01 47806
2016-04-01 58365
2016-07-01 57833
2016-10-01 63305
2017-01-01 66905
2017-04-01 78308
2017-07-01 80616
2017-10-01 82156
2018-01-01 71705
2018-04-01 54869