Annual kt
1960 25764.281705915084
1961 28265.590692872716
1962 29879.85400074954
1963 31862.535901733852
1964 37910.314094675945
1965 41704.38379820041
1966 45942.80400754306
1967 50739.510749836765
1968 50880.031849967294
1969 58878.34095469458
1970 65676.52390695564
1971 79155.1559167738
1972 80419.84581794862
1973 86762.28466167825
1974 89500.54718043814
1975 94080.77547117938
1976 93275.62754610712
1977 93142.70218111877
1978 98368.56795894628
1979 103188.06190666658
1980 109891.29816965024
1981 117338.91647656864
1982 131888.5471414358
1983 135318.0215581351
1984 139996.99440572484
1985 140019.78161115135
1986 136525.74344574346
1987 125933.49078995793
1988 139191.84648065254
1989 152241.31945493695
1990 123723.1318635803
1991 125357.86030962208
1992 124908.9346230628
1993 114921.2656295295
1994 112546.78265929873
1995 125242.08039202375
1996 129829.05407181168
1997 143807.52450595645
1998 138851.82303840423
1999 127760.49118245397
2000 135555.3966157913
2001 137546.52666971867
2002 135913.0625699227
2003 155138.5294239535
2004 168862.57768454094
2005 153121.58842488274
2006 180337.38643976615
2007 190385.21865634338
2008 201211.0665051034
2009 214820.80915148382
2010 227302.2447673055
2011 258566.67389184082
2012 242047.66900000002
2013 255512.8930000001
2014 287368.12199999986
2015 275751.066
2016 286150.6779999999