Annual kt
1960 20334.073760992043
1961 21700.33475298084
1962 22735.496284515535
1963 23981.276902845144
1964 25511.91589426842
1965 29590.8559355032
1966 39576.84278190799
1967 32727.93163994376
1968 34937.97551683097
1969 41571.81527480281
1970 45276.23445770602
1971 50141.29748870605
1972 54453.84955048428
1973 56485.90331648122
1974 58814.60726729526
1975 59103.84119749192
1976 68136.83932517185
1977 66787.08098425413
1978 68081.21741551864
1979 79524.49829483728
1980 88690.9890056849
1981 91457.25197910413
1982 93767.41529336713
1983 102466.68196312785
1984 108470.14007836337
1985 109549.20512563549
1986 107743.34712556151
1987 109152.43550344268
1988 132480.26441199533
1989 140875.46464231855
1990 104072.30108845024
1991 109979.34789362024
1992 129554.55196423698
1993 133218.1817467278
1994 129398.81061720793
1995 141629.07102100068
1996 142410.9815172624
1997 140732.82455594584
1998 138848.1251993903
1999 138350.21049658212
2000 144535.41758257744
2001 166074.8388003546
2002 169929.06742579592
2003 178868.24208102017
2004 188555.418572605
2005 191230.53844057402
2006 175014.006017803
2007 140384.83725861172
2008 177316.96733664692
2009 188091.14157072603
2010 237076.0500070626
2011 273643.39101219294
2012 276513.80199999997
2013 296172.589
2014 321610.5680000001
2015 302875.8649999999
2016 331669.1489999999