Annual kt
1960 4889.94409158081
1961 6351.306693662432
1962 6453.499882619189
1963 6090.714061822701
1964 7126.237474343648
1965 6957.901156052065
1966 6764.059334989031
1967 8539.242327882079
1968 10441.952834632388
1969 9488.047030980088
1970 12334.461140274112
1971 13287.972605024534
1972 13751.802872403603
1973 15856.878701277832
1974 14011.751703572087
1975 13741.60880059307
1976 16815.12145146756
1977 19929.41038958416
1978 21983.515859405758
1979 21009.982001500237
1980 20867.264996152833
1981 20184.262184847394
1982 21555.36484336354
1983 18522.628479731164
1984 20765.32427804754
1985 19562.423804405116
1986 20683.77170356331
1987 22116.03879294263
1988 23094.669686753412
1989 23900.0013597852
1990 23344.424446111374
1991 23978.9587328089
1992 25764.71876953848
1993 29166.481348943922
1994 28890.763461894636
1995 27787.89191369747
1996 30105.412531868533
1997 34680.83908992975
1998 38872.49615655748
1999 35280.711790131594
2000 35828.42164683762
2001 42758.62799699547
2002 43011.99037968941
2003 44882.72244314846
2004 39753.056348504804
2005 44325.95694807137
2006 52706.977028392284
2007 51467.11584881891
2008 52210.29673390443
2009 48843.90807126455
2010 50308.19516168059
2011 45687.228866297315
2012 42011.794687087226
2013 46224.37940700269
2014 38523.99528579475
2015 36846.31962441356
2016 38325.32316799961