Annual kt
1960 1010110.5140938635
1961 809857.2585510758
1962 701523.6509152618
1963 703954.7646438209
1964 714412.2371822743
1965 764424.5561196777
1966 813081.4078771605
1967 745742.6823790303
1968 797574.5686720886
1969 913420.1991934194
1970 1095139.9292050628
1971 1175603.4439938406
1972 1187611.2745368213
1973 1230224.8680952743
1974 1249176.111837883
1975 1376215.715355286
1976 1381751.82797015
1977 1482849.4214100502
1978 1573110.5256197911
1979 1637061.4319911774
1980 1667290.9613420565
1981 1700783.7466012128
1982 1833822.997758747
1983 1917192.1500248571
1984 2116616.584150144
1985 2303970.976193881
1986 2381188.9295133087
1987 2529355.757896599
1988 2725103.942177713
1989 2773190.133390078
1990 2740669.797716852
1991 2843549.5684370794
1992 2889300.512983138
1993 3026453.896053504
1994 3200341.3721886673
1995 3409909.5020407354
1996 3536776.783824702
1997 3531410.0727496142
1998 3357962.538216467
1999 3346389.288597836
2000 3449123.058525665
2001 3540309.362650054
2002 3939991.6487315428
2003 4524422.33746156
2004 5135872.274482214
2005 5729807.591407004
2006 6276388.974377557
2007 6404100.206336281
2008 7246588.425353329
2009 7076138.573631768
2010 8094420.716933491
2011 8906023.83695883
2012 9078056.839081826
2013 9028990.32326381
2014 8914374.095299752
2015 8884623.307201102
2016 8629124.555627141