Annual kt
1963 101.6501435177463
1964 159.7359398136013
1965 275.9075324053114
1966 474.3673364161493
1967 503.41023456407686
1968 435.6434722189126
1969 222.66221913411087
1970 417.49166087645796
1971 848.8997104487976
1972 1117.949891902515
1973 1925.100436263667
1974 2356.508485836007
1975 1414.8328507479962
1976 1674.6054397377925
1977 9179.839903548627
1978 6459.1924104171985
1979 3299.9067176587146
1980 3295.2193501620404
1981 12777.189560030021
1982 12885.152587172082
1983 5884.1883992402745
1984 5147.491765523589
1985 7015.041193671617
1986 8333.587397967085
1987 8873.205951326441
1988 9703.749289975187
1989 10401.557515943481
1990 9839.564313821367
1991 11937.672268410597
1992 12649.53032443194
1993 13946.797965997159
1994 13679.851194989154
1995 13567.452554564728
1996 14676.799513353977
1997 15981.094473269372
1998 16709.828667955193
1999 18390.094772899578
2000 20373.56799038584
2001 18629.013452907766
2002 19803.663288203792
2003 29309.252150913213
2004 31501.626535631345
2005 33148.023515660985
2006 33947.94389927435
2007 33389.269345639615
2008 33343.791143212424
2009 29937.060343211546
2010 33958.148100520324
2011 44380.741444747204
2012 44868.21491495852
2013 44926.050750407325
2014 50375.012675904996
2015 50589.83149328626
2016 49110.886558238366