Annual kt
1960 25890.23386100546
1961 26140.079302366197
1962 26530.46280449234
1963 27385.402674148587
1964 27994.314136116544
1965 28130.852736278757
1966 29090.52404027607
1967 31965.636849406204
1968 33097.09476303099
1969 35531.39310486636
1970 33271.900890948986
1971 34395.79339113587
1972 34879.69155093855
1973 37545.033834367845
1974 40946.51638019317
1975 42511.177431123004
1976 43244.801568909956
1977 48532.83569271404
1978 55741.53271920722
1979 59948.88268919079
1980 53818.190415742116
1981 51090.60086378419
1982 53444.43175026211
1983 57764.8249658175
1984 64199.14138552748
1985 73506.7512072691
1986 73985.76208930853
1987 79996.27856990491
1988 81696.34051296032
1989 87251.95622097055
1990 86785.11857398838
1991 88198.7214361592
1992 86218.1240193814
1993 91403.41672222866
1994 97245.36838635139
1995 102846.33468575314
1996 110647.26415341401
1997 115688.34542385724
1998 118043.70028113452
1999 113818.97019402815
2000 114623.19352930135
2001 112536.8750218535
2002 115230.1846040718
2003 131852.09015387335
2004 126999.66551623077
2005 139381.3352163547
2006 144275.24996207768
2007 142514.32612446972
2008 144667.8621201316
2009 128967.26304706595
2010 161158.48204339267
2011 178937.40700714802
2012 170825.74332813808
2013 182632.9022983839
2014 187603.92949045452
2015 191202.3017480532
2016 187138.8699505159