Annual kt
1960 2028021.471730693
1961 1771427.9991160242
1962 1653689.956974319
1963 1695684.6723825948
1964 1739447.7357701198
1965 1824484.4510220273
1966 1906497.328681372
1967 1831826.0065956255
1968 1860685.4112893594
1969 1982808.4828721362
1970 2236530.572519582
1971 2351612.5491261594
1972 2437530.6368229007
1973 2469006.4703242914
1974 2472351.302764506
1975 2666754.426459802
1976 2719035.0993966083
1977 2852571.4688722966
1978 2985127.786657793
1979 3052516.216239186
1980 3113627.035233551
1981 3001740.0470717284
1982 3182527.8956601154
1983 3271273.4201486525
1984 3446880.0120663447
1985 3821686.397848346
1986 3960065.245162084
1987 4104658.7364487518
1988 4262527.30255803
1989 4213575.964265491
1990 4009216.6297901045
1991 3959827.604617736
1992 3478903.236429518
1993 3543602.0707107238
1994 3659238.631960246
1995 3841558.8302832805
1996 3952476.7645109035
1997 3851883.186207201
1998 3647622.458969185
1999 3604822.4123575552
2000 3648599.7507453747
2001 3668414.1207719045
2002 4025714.0708676158
2003 4658443.028528967
2004 5237971.088935544
2005 5840004.580354294
2006 6388980.528382185
2007 6477235.914169581
2008 7322040.768988778
2009 7084162.35770106
2010 8143060.728869833
2011 8952570.795737376
2012 9153990.9751827
2013 9139832.623037878
2014 9077652.533037456
2015 8939217.729700573
2016 8628448.919042185