Annual kt
1960 1832574.2486621847
1961 1809826.0498244467
1962 1810221.6123742335
1963 1883440.9107847658
1964 1953039.80619725
1965 2022155.9812099938
1966 2094067.9118712312
1967 2114938.8647099813
1968 2098841.4802686577
1969 2133020.7663502344
1970 2254974.7117844974
1971 2299022.948260754
1972 2370385.114022288
1973 2396954.849357966
1974 2403679.412704341
1975 2478501.0746640093
1976 2543594.5796789224
1977 2585443.7565563642
1978 2570714.0799143044
1979 2586979.0756055373
1980 2720974.21323331
1981 2488068.324808853
1982 2532941.2086346652
1983 2524889.1641890057
1984 2521805.117190668
1985 2871522.637902159
1986 2957936.2939055795
1987 2973034.715297441
1988 2996144.954434984
1989 2867198.26765449
1990 2450302.15797921
1991 2199388.1168644605
1992 1306502.8752457537
1993 1172488.5515064702
1994 1050580.5787996405
1995 1003915.1263175528
1996 976510.8520527094
1997 870255.7629630599
1998 852835.8705059781
1999 864943.0640067025
2000 882210.7285553223
2001 852089.0723753097
2002 857828.0199771603
2003 889636.6372817517
2004 881614.3908326894
2005 880296.897141981
2006 933530.4665521729
2007 928538.2851152383
2008 958651.0840607407
2009 837487.1362308494
2010 892814.9012953117
2011 936402.5833912211
2012 1008596.1887552483
2013 949644.6925804301
2014 905263.0524351087
2015 927244.2976922065
2016 937771.2171131619