Annual kt
1960 6901.094095636069
1961 8006.62748547826
1962 7772.69209240585
1963 7576.4882143451205
1964 7497.252032820594
1965 8425.447302107894
1966 8919.730148760887
1967 9202.716511348479
1968 9285.725844374174
1969 9051.790451301764
1970 8150.007242522639
1971 10423.904290850776
1972 11984.863320726201
1973 15395.70889321841
1974 18832.820603232565
1975 23560.72535718216
1976 26806.469493822166
1977 31680.71415682258
1978 35624.38709047419
1979 36678.784896712146
1980 41245.34052016981
1981 39684.3814902944
1982 42398.0330660235
1983 42276.02965730541
1984 56650.24944808842
1985 63390.01351151367
1986 63889.11836536031
1987 70325.72244348611
1988 70225.90147271681
1989 73738.12081460052
1990 93909.35105598737
1991 103938.11085549675
1992 116041.70718674092
1993 135250.9524773157
1994 146775.02315317554
1995 172763.1270112832
1996 186662.08497363838
1997 194806.32206310323
1998 169261.69415772028
1999 213532.1764198022
2000 200546.31556331826
2001 228760.27976610712
2002 222368.6000250081
2003 249231.32778483425
2004 262854.14750952675
2005 280331.8570319904
2006 310007.5129728072
2007 343261.9204737323
2008 369992.10187948035
2009 403975.514327835
2010 446817.4414404085
2011 494928.0861275861
2012 536201.5480502356
2013 579547.8876769398
2014 615806.679203635
2015 667532.8938826092
2016 693062.7944153169