Annual kt
1960 839101.5547739298
1961 895394.4797942404
1962 970462.0455497482
1963 1042116.6058402351
1964 1131258.2727255977
1965 1210919.000792481
1966 1316851.3029604768
1967 1394617.8034884974
1968 1535525.221978663
1969 1665331.3941081632
1970 1872330.4335894266
1971 2044015.5760269386
1972 2190175.8667128417
1973 2389609.5343777165
1974 2545975.5002723117
1975 2688491.791277959
1976 2848241.7659356454
1977 3006312.1167316525
1978 3211614.150812521
1979 3314970.857485262
1980 3377624.5416819295
1981 3392357.3603212456
1982 3451738.4604336065
1983 3474790.988422185
1984 3443951.113438541
1985 3523900.383886573
1986 3597391.149805044
1987 3507450.7998259813
1988 3605888.3132723733
1989 3685280.4603264816
1990 3559288.036500615
1991 3660405.743982072
1992 3212805.623725849
1993 3196064.66245954
1994 3052211.763338843
1995 3141768.846321792
1996 3215679.039096977
1997 3328699.0906824353
1998 3399854.1342402454
1999 3475274.5023885895
2000 3584316.531039871
2001 3641706.8785745134
2002 3604608.1313587436
2003 3764226.491664561
2004 3949048.9140783404
2005 3975479.4781126427
2006 4080167.5266671395
2007 4129171.9255169467
2008 4382017.010619436
2009 4431560.567437447
2010 4608838.2489782395
2011 4762134.6042085085
2012 4926005.778
2013 5055857.915
2014 5208573.796999998
2015 5266222.704000002
2016 5390200.307000005