Annual kt
1960 2720621.6083179074
1961 2708500.335338316
1962 2761247.697311419
1963 2890904.946783119
1964 2951096.0438475595
1965 2993407.2886786163
1966 2998160.459533689
1967 3005580.492126276
1968 2991910.995857367
1969 3037380.0074452106
1970 3015686.290300215
1971 2831530.1329541868
1972 2773538.5259016855
1973 2910894.5217691585
1974 2882998.5554717886
1975 2811313.828943638
1976 2997494.9281190103
1977 3022049.0828170716
1978 3090722.361690982
1979 3272485.689858308
1980 3400189.201948445
1981 3471099.540488248
1982 3412886.320411607
1983 3499255.046671429
1984 3614855.4661068516
1985 3814474.253498359
1986 3707804.158767549
1987 3867174.4441116364
1988 3998837.59834064
1989 4086679.1162370243
1990 4012072.8275819873
1991 4017751.137416988
1992 3940998.6847239127
1993 3871860.0958830235
1994 3819146.189592664
1995 3811311.97578783
1996 3864898.2650719984
1997 3869880.2186591877
1998 3866954.1928603738
1999 3853245.560071453
2000 4043958.5615406716
2001 4033803.7467859443
2002 4076346.7668068362
2003 4128670.129021003
2004 4199797.318669536
2005 4177564.106090227
2006 4216233.595538353
2007 4260861.556587569
2008 4159145.343291286
2009 3727091.904982857
2010 3926647.4702009647
2011 3846437.557976276
2012 3701954.717642944
2013 3705269.874670538
2014 3607500.2768832953
2015 3664313.00709983
2016 3422714.621901468