Annual kt
1960 2395436.4948389055
1961 2125895.4112317227
1962 2015416.3240050331
1963 2072668.3424667502
1964 2119906.0160510694
1965 2236632.975852065
1966 2330261.3587677525
1967 2255100.077610438
1968 2300712.9785386254
1969 2439413.6993629946
1970 2727659.958357693
1971 2896774.6054087295
1972 2969895.8349219374
1973 3021719.0348030226
1974 3042144.98314552
1975 3286016.500091682
1976 3356521.469666598
1977 3517865.690924782
1978 3649500.132401918
1979 3732969.682313682
1980 3828461.5478560645
1981 3724210.7018801034
1982 3931452.1564753065
1983 4065827.234425051
1984 4268672.291670422
1985 4725009.810911899
1986 4924402.741132945
1987 5132138.370305348
1988 5366086.9192384705
1989 5344960.146431207
1990 5062703.203572496
1991 5051824.905583489
1992 4531292.896760494
1993 4579708.187115804
1994 4666095.289545456
1995 4858049.114983354
1996 4978339.820115472
1997 4863119.854518962
1998 4652301.325794341
1999 4666122.174187681
2000 4746801.499268384
2001 4797705.670782422
2002 5187794.390927458
2003 5886826.6311411215
2004 6535249.120351759
2005 7234680.460959077
2006 7896586.383018076
2007 8074154.254665951
2008 9068127.573758792
2009 8867986.268733228
2010 9929380.619753536
2011 10947716.33010075
2012 11347159.378384309
2013 11178437.927656647
2014 11235207.600485634
2015 11213246.548749715
2016 11007940.185638806