Annual kt
1960 977329.1501584342
1961 1032102.791188866
1962 1133989.0069774913
1963 1228043.3355017789
1964 1351789.3091867827
1965 1442574.0434289747
1966 1570350.2620620755
1967 1677850.9952918652
1968 1821862.343908427
1969 1992215.183497353
1970 2080090.8056813304
1971 2236653.967870605
1972 2355740.026423213
1973 2434154.2595751393
1974 2464995.9706908762
1975 2473148.5997170913
1976 2618571.2833733913
1977 2661513.395100198
1978 2799389.432402401
1979 2949966.8360080956
1980 3037974.1240506186
1981 3090164.415425516
1982 3029263.8575882013
1983 3075650.5353827486
1984 3330154.249041112
1985 3472327.7429223615
1986 3411783.936068133
1987 3690359.639228792
1988 3885823.2526614326
1989 4082069.6521838773
1990 4237095.42630304
1991 4394438.364913461
1992 4045055.412608612
1993 4151669.877433084
1994 4159146.164575398
1995 4280835.927497054
1996 4450212.670386963
1997 4464488.337314664
1998 4493665.635987141
1999 4706483.315294552
2000 4838354.206114128
2001 4867044.322709768
2002 5001784.1484542005
2003 5200906.139501222
2004 5348647.1701209815
2005 5509524.737963432
2006 5634269.973967368
2007 5855245.027410821
2008 6011683.525302914
2009 5902905.449358245
2010 6362935.097041102
2011 6496773.560355891
2012 6603953.622238413
2013 6711986.180879339
2014 6774278.0073348405
2015 7146572.79793599
2016 7322549.21730787