Quarterly Millions of US Dollars
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 0
1980-10-01 0
1981-01-01 0
1981-04-01 0
1981-07-01 15
1981-10-01 15
1982-01-01 43
1982-04-01 43
1982-07-01 27
1982-10-01 29
1983-01-01 0
1983-04-01 0
1983-07-01 0
1983-10-01 0
1984-01-01 0
1984-04-01 0
1984-07-01 17
1984-10-01 16
1985-01-01 16
1985-04-01 16
1985-07-01 0
1985-10-01 0
1986-01-01 0
1986-04-01 0
1986-07-01 17
1986-10-01 17
1987-01-01 17
1987-04-01 17
1987-07-01 0
1987-10-01 0
1988-01-01 0
1988-04-01 27
1988-07-01 27
1988-10-01 28
1989-01-01 26
1989-04-01 76
1989-07-01 118
1989-10-01 269
1990-01-01 265
1990-04-01 190
1990-07-01 175
1990-10-01 25
1991-01-01 25
1991-04-01 25
1991-07-01 0
1991-10-01 0
1992-01-01 0
1992-04-01 0
1992-07-01 200
1992-10-01 200
1993-01-01 200
1993-04-01 0
1993-07-01 0
1993-10-01 0
1994-01-01 0
1994-04-01 123
1994-07-01 0
1994-10-01 448
1995-01-01 608
1995-04-01 704
1995-07-01 704
1995-10-01 312
1996-01-01 170
1996-04-01 270
1996-07-01 336
1996-10-01 466
1997-01-01 690
1997-04-01 1922
1997-07-01 1922
1997-10-01 2402
1998-01-01 2640
1998-04-01 2096
1998-07-01 2675
1998-10-01 3383
1999-01-01 3666
1999-04-01 4264
1999-07-01 4794
1999-10-01 3385
2000-01-01 2395
2000-04-01 1976
2000-07-01 2366
2000-10-01 5195
2001-01-01 5562
2001-04-01 4427
2001-07-01 2204
2001-10-01 1560
2002-01-01 1460
2002-04-01 1751
2002-07-01 2096
2002-10-01 2394
2003-01-01 2482
2003-04-01 3081
2003-07-01 3068
2003-10-01 2664
2004-01-01 2393
2004-04-01 2409
2004-07-01 2874
2004-10-01 2468
2005-01-01 3100
2005-04-01 2813
2005-07-01 3134
2005-10-01 3500
2006-01-01 2703
2006-04-01 2489
2006-07-01 2076
2006-10-01 1234
2007-01-01 1601
2007-04-01 1359
2007-07-01 1245
2007-10-01 2043
2008-01-01 2858
2008-04-01 2928
2008-07-01 2273
2008-10-01 2173
2009-01-01 1370
2009-04-01 1695
2009-07-01 1745
2009-10-01 1303
2010-01-01 1606
2010-04-01 2211
2010-07-01 2230
2010-10-01 2472
2011-01-01 3557
2011-04-01 2938
2011-07-01 2717
2011-10-01 2759
2012-01-01 1695
2012-04-01 4473
2012-07-01 5392
2012-10-01 5386
2013-01-01 5744
2013-04-01 3724
2013-07-01 3112
2013-10-01 2379
2014-01-01 2799
2014-04-01 1943
2014-07-01 2991
2014-10-01 5709
2015-01-01 5981
2015-04-01 6145
2015-07-01 5604
2015-10-01 3426
2016-01-01 1645
2016-04-01 1436
2016-07-01 2776
2016-10-01 5966
2017-01-01 6745
2017-04-01 6572
2017-07-01 5875
2017-10-01 3642
2018-01-01 3705
2018-04-01 4759