Year	kt
1960	363489.5582698168
1961	380349.8005923342
1962	399923.3034897645
1963	429332.375971254
1964	456819.5555455136
1965	459512.261116071
1966	465843.2024575344
1967	471023.0635550954
1968	493715.7883634578
1969	519671.62011324
1970	523818.59224194207
1971	526172.1402406356
1972	546418.8195307052
1973	553484.6022778741
1974	564342.7833286147
1975	596824.8289612366
1976	617415.8045742593
1977	638119.8327112366
1978	664743.7021025693
1979	680971.8780411582
1980	711937.9921025693
1981	659116.7696602785
1982	678844.4350903743
1983	691537.1502798342
1984	713695.4449749561
1985	739723.2192399823
1986	744214.4876916374
1987	768006.9052330137
1988	743777.6938490851
1989	713823.9137521776
1990	582205.0821134581
1991	552199.9145056619
1992	542734.335
1993	524993.389
1994	489247.473
1995	492085.7310000001
1996	496262.444
1997	486079.18500000006
1998	441473.7970000001
1999	413340.57300000003
2000	410454.64400000003
2001	414224.31999999995
2002	404543.44000000006
2003	417509.95200000005
2004	406043.2430000001
2005	402427.5810000001
2006	421305.297
2007	420916.59500000003
2008	406934.324
2009	369215.562
2010	390751.853
2011	397781.4920000001
2012	369032.212
2013	367103.36999999994
2014	346722.184
2015	344521.984
2016	342046.759