Annual kt
1960 2196000.6446578484
1961 1940026.0323611929
1962 1831673.9471547888
1963 1883389.9150510198
1964 1929157.2658364554
1965 2015519.9640136661
1966 2109213.73303897
1967 2036862.1916659107
1968 2083040.4795929547
1969 2225148.8587719416
1970 2497998.442542064
1971 2649805.1785050104
1972 2723071.475022953
1973 2768989.466397454
1974 2782330.163045267
1975 3005974.5596899088
1976 3072185.954613119
1977 3222881.5280989967
1978 3358479.8951644683
1979 3414818.9450328057
1980 3497028.7389370073
1981 3311762.9365113233
1982 3486994.3401364605
1983 3587797.1093181325
1984 3760310.851396593
1985 4152271.632510574
1986 4298769.540970706
1987 4477940.165304152
1988 4651109.704008201
1989 4589838.403540614
1990 4209477.252498463
1991 4131616.5758194746
1992 3640347.4584623855
1993 3652429.0168999634
1994 3740566.2968846876
1995 3899105.102550976
1996 3999925.486989003
1997 3871214.5980860186
1998 3625053.5453987233
1999 3573280.085946216
2000 3590867.160015244
2001 3626552.2942602523
2002 3989496.93984883
2003 4589423.642625631
2004 5150983.144961139
2005 5761123.229778376
2006 6313182.046151039
2007 6358358.112734365
2008 7199336.614790969
2009 6922138.271967395
2010 7999184.639219252
2011 8812765.98917058
2012 9025959.378505966
2013 9034730.2442969
2014 8933547.130985053
2015 8832973.864914058
2016 8489247.424068732