Annual kt
1960 42330.88760588102
1961 41004.266281360244
1962 37016.600305415086
1963 44838.40640724697
1964 44238.72022514293
1965 50658.984825461695
1966 60502.83250469879
1967 56510.047349089866
1968 61243.63226627404
1969 73083.87252331559
1970 73577.73903103243
1971 74331.09472076995
1972 80977.36602800997
1973 84170.7570906196
1974 109487.69357518818
1975 110253.60519308799
1976 122537.48824519722
1977 128752.67268553186
1978 132653.3810346173
1979 159008.27424726865
1980 181148.56090677733
1981 203803.6406209399
1982 208156.3623838679
1983 223030.9519467968
1984 227626.42165419567
1985 239278.32298880283
1986 239228.09927615375
1987 234239.2104863363
1988 267014.3682993063
1989 273271.40583351534
1990 245531.17521362443
1991 262984.87226521835
1992 300521.9900645753
1993 298396.11818040686
1994 289585.2310507269
1995 287737.8680722717
1996 272201.5454234633
1997 287453.3741735896
1998 315496.34418653994
1999 329406.9874143077
2000 329192.693308807
2001 360645.89537998557
2002 378347.3274395435
2003 409247.8222239828
2004 376371.49802521645
2005 388388.9726312359
2006 369350.8406109438
2007 328944.20580318116
2008 390069.350918187
2009 397659.79422149365
2010 444070.3535663246
2011 450807.60750608135
2012 464429.21699999995
2013 474652.81299999997
2014 487821.0099999999
2015 446413.246
2016 465837.345