Annual kt
1960 21956.251334481454
1961 26370.776779470834
1962 32573.61174127929
1963 34342.52527635412
1964 39300.13821018227
1965 43912.50266896291
1966 47636.531163857275
1967 52788.103915127824
1968 54607.44700273769
1969 55212.214980334385
1970 62756.30782907266
1971 64268.227773064405
1972 68377.54864647787
1973 76720.24536306821
1974 79453.33141566867
1975 80271.31887254627
1976 79720.82494422107
1977 85993.35435288426
1978 96483.75273350389
1979 112114.67892369545
1980 122155.37803892269
1981 125628.9171922986
1982 136763.97855755663
1983 143422.5359628867
1984 149670.2627017645
1985 153822.17037254747
1986 152775.4709597451
1987 160843.80689628856
1988 169659.71308523385
1989 212883.2179896453
1990 180791.92503032563
1991 188221.14650238052
1992 165786.29208833352
1993 179939.7724110075
1994 196603.22953967296
1995 214800.56138311105
1996 238486.53077915686
1997 254003.45529273982
1998 280811.4430290131
1999 288438.6501599767
2000 289097.50443450105
2001 301518.84531597374
2002 313529.06242930394
2003 331321.54605863563
2004 361472.6346089591
2005 369948.5179825488
2006 398966.136049777
2007 398347.1760590082
2008 409898.5168867302
2009 408884.9699018464
2010 441883.27440970624
2011 439879.444067637
2012 462877.07222130813
2013 475035.44821575534
2014 487333.0865505779
2015 498296.1274568024
2016 495007.98886460386