Annual kt
1964 18015.061939290244
1965 18118.103284986853
1966 18971.056646586552
1967 16085.898967081539
1968 16801.20930891192
1969 16520.807654914413
1970 18472.850416635072
1971 18879.287472594504
1972 15272.87415915165
1973 16578.05231068335
1974 15690.760146264867
1975 14033.687880271855
1976 18595.350987586287
1977 16520.308747041
1978 16360.250392398384
1979 17046.214769438146
1980 18372.41256504836
1981 17789.342844564562
1982 18749.38447575211
1983 20183.73238901446
1984 20509.460799595952
1985 22606.694601059236
1986 27582.795434398275
1987 31044.927587100297
1988 32730.28894856416
1989 33118.77902510498
1990 35215.48282055323
1991 33358.72877826254
1992 35072.65558653088
1993 31427.239540253253
1994 33407.66271544898
1995 25753.48685486387
1996 27262.760968218678
1997 24288.133416765413
1998 24256.185855546384
1999 25622.168987869267
2000 25570.24565243009
2001 24915.212805351282
2002 26888.29955203989
2003 27914.7839526451
2004 31903.75336654608
2005 32155.81462339238
2006 33952.25119996364
2007 39761.66302442124
2008 33072.03728716703
2009 30415.391659453642
2010 31607.68141405995
2011 32251.837959333825
2012 26906.53892525989
2013 30059.305122004098
2014 37221.04559430376
2015 37441.09907250291
2016 42850.41366387114