Annual kt
1960 25769.155301410603
1961 28270.93743830314
1962 29885.506101728995
1963 31868.563048666143
1964 37915.97093222829
1965 41709.84662947349
1966 45948.05011108074
1967 50744.51157816851
1968 50885.02549288129
1969 58882.925611398176
1970 65703.5469850242
1971 79185.28745071031
1972 80461.30570323723
1973 86807.21790553626
1974 89552.93575249154
1975 94136.72751082478
1976 93354.40679647795
1977 93225.28590187698
1978 98443.28911310312
1979 103308.10870086198
1980 109984.41848640458
1981 117435.45363955284
1982 131969.14962889958
1983 135413.63937604814
1984 140092.37296864684
1985 140168.32643605908
1986 136689.657628575
1987 126135.92333163368
1988 139389.80339508285
1989 152476.585830225
1990 123872.51000274665
1991 125529.62979532451
1992 125080.71343045874
1993 115104.38198315189
1994 112748.49858075698
1995 125439.98697486275
1996 130063.78896388327
1997 144149.05499104303
1998 139285.58224501595
1999 128271.7891499567
2000 136129.30273735922
2001 138183.09676278534
2002 136453.78006992198
2003 155690.12375151692
2004 169602.08938514884
2005 153813.31736203408
2006 181073.1005397284
2007 191028.6550615429
2008 201906.02018722918
2009 215346.01879167877
2010 227746.21503496103
2011 258892.35171857852
2012 242469.37400000007
2013 255842.9230000001
2014 287855.83299999987
2015 276242.44399999996
2016 286755.73299999995