Year	kt
1960	11.001
1961	11.001
1962	11.001
1963	11.001
1964	11.001
1965	11.001
1966	11.001
1967	14.668
1968	14.668
1969	11.001
1970	25.669
1971	18.335
1972	22.002
1973	25.669
1974	22.002
1975	33.003
1976	29.336
1977	29.336
1978	36.67
1979	40.337
1980	40.337
1981	47.671
1982	44.004
1983	47.671
1984	47.671
1985	47.671
1986	47.671
1987	55.005
1988	69.673
1989	69.673
1990	77.007
1991	95.342
1992	69.673
1993	84.341
1994	91.675
1995	95.342
1996	77.007
1997	99.009
1998	88.008
1999	110.01
2000	95.342
2001	88.008
2002	102.676
2003	117.344
2004	110.01
2005	113.677
2006	128.345
2007	113.677
2008	121.011
2009	132.012
2010	117.344
2011	102.676
2012	106.343
2013	113.677
2014	113.677
2015	121.011
2016	128.345