Quarterly Millions of US Dollars
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 0
1977-10-01 0
1978-01-01 0
1978-04-01 0
1978-07-01 0
1978-10-01 0
1979-01-01 0
1979-04-01 0
1979-07-01 0
1979-10-01 0
1980-01-01 0
1980-04-01 0
1980-07-01 30
1980-10-01 30
1981-01-01 30
1981-04-01 30
1981-07-01 50
1981-10-01 50
1982-01-01 50
1982-04-01 100
1982-07-01 50
1982-10-01 160
1983-01-01 270
1983-04-01 228
1983-07-01 258
1983-10-01 163
1984-01-01 53
1984-04-01 180
1984-07-01 238
1984-10-01 578
1985-01-01 679
1985-04-01 622
1985-07-01 614
1985-10-01 386
1986-01-01 398
1986-04-01 463
1986-07-01 508
1986-10-01 466
1987-01-01 414
1987-04-01 403
1987-07-01 374
1987-10-01 367
1988-01-01 423
1988-04-01 468
1988-07-01 371
1988-10-01 360
1989-01-01 308
1989-04-01 211
1989-07-01 353
1989-10-01 338
1990-01-01 273
1990-04-01 194
1990-07-01 52
1990-10-01 0
1991-01-01 0
1991-04-01 0
1991-07-01 0
1991-10-01 0
1992-01-01 0
1992-04-01 0
1992-07-01 0
1992-10-01 0
1993-01-01 20
1993-04-01 320
1993-07-01 335
1993-10-01 335
1994-01-01 315
1994-04-01 15
1994-07-01 0
1994-10-01 89
1995-01-01 89
1995-04-01 89
1995-07-01 194
1995-10-01 105
1996-01-01 105
1996-04-01 105
1996-07-01 0
1996-10-01 0
1997-01-01 0
1997-04-01 85
1997-07-01 143
1997-10-01 143
1998-01-01 143
1998-04-01 58
1998-07-01 0
1998-10-01 9
1999-01-01 19
1999-04-01 14
1999-07-01 40
1999-10-01 43
2000-01-01 66
2000-04-01 68
2000-07-01 54
2000-10-01 532
2001-01-01 200
2001-04-01 213
2001-07-01 314
2001-10-01 314
2002-01-01 322
2002-04-01 325
2002-07-01 246
2002-10-01 42
2003-01-01 200
2003-04-01 288
2003-07-01 291
2003-10-01 576
2004-01-01 948
2004-04-01 1205
2004-07-01 1665
2004-10-01 1632
2005-01-01 1604
2005-04-01 1941
2005-07-01 1473
2005-10-01 1743
2006-01-01 1556
2006-04-01 865
2006-07-01 1440
2006-10-01 1696
2007-01-01 1409
2007-04-01 1413
2007-07-01 887
2007-10-01 134
2008-01-01 1599
2008-04-01 1607
2008-07-01 1546
2008-10-01 2129
2009-01-01 1206
2009-04-01 1241
2009-07-01 1357
2009-10-01 754
2010-01-01 429
2010-04-01 1055
2010-07-01 896
2010-10-01 1122
2011-01-01 1053
2011-04-01 906
2011-07-01 1308
2011-10-01 1097
2012-01-01 2078
2012-04-01 2577
2012-07-01 2176
2012-10-01 5771
2013-01-01 2668
2013-04-01 1800
2013-07-01 1802
2013-10-01 710
2014-01-01 92
2014-04-01 1012
2014-07-01 1028
2014-10-01 1942
2015-01-01 1933
2015-04-01 1679
2015-07-01 1678
2015-10-01 2930
2016-01-01 3421
2016-04-01 2719
2016-07-01 2772
2016-10-01 1628
2017-01-01 4088
2017-04-01 5004
2017-07-01 5640
2017-10-01 5081
2018-01-01 4558
2018-04-01 3123