Annual kt
1960 25769.155301410654
1961 28270.937438303186
1962 29885.50610172905
1963 31868.56304866621
1964 37915.970932228345
1965 41709.84662947355
1966 45948.0501110808
1967 50744.51157816858
1968 50885.02549288136
1969 58882.925611398285
1970 65703.5469850243
1971 79185.28745071046
1972 80461.30570323736
1973 86807.2179055364
1974 89552.93575249161
1975 94136.72751082492
1976 93354.40679647807
1977 93225.28590187713
1978 98443.28911310327
1979 103308.10870086213
1980 109984.41848640476
1981 117435.45363955297
1982 131969.14962889973
1983 135413.63937604832
1984 140092.37296864693
1985 140168.32643605923
1986 136689.65762857517
1987 126135.9233316338
1988 139389.80339508297
1989 152476.5858302251
1990 123872.51000274673
1991 125529.62979532461
1992 125080.71343045881
1993 115104.38198315192
1994 112748.49858075705
1995 125439.98697486278
1996 130063.78896388327
1997 144149.05499104306
1998 139285.58224501595
1999 128271.7891499567
2000 136129.30273735916
2001 138183.0967627854
2002 136453.780069922
2003 155690.1237515169
2004 169602.08938514884
2005 153813.31736203408
2006 181073.10053972842
2007 191028.65506154293
2008 201906.02018722915
2009 215346.0187916787
2010 227746.215034961
2011 258892.35171857843
2012 242469.37400000007
2013 255842.92300000004
2014 287855.8329999999
2015 276242.44399999996
2016 286755.73299999995