Year	kt
1960	11.001
1961	11.001
1962	11.001
1963	7.334
1964	11.001
1965	11.001
1966	11.001
1967	11.001
1968	14.668
1969	14.668
1970	14.668
1971	11.001
1972	11.001
1973	14.668
1974	18.335
1975	18.335
1976	29.336
1977	29.336
1978	33.003
1979	33.003
1980	40.337
1981	44.004
1982	47.671
1983	55.005
1984	51.338
1985	55.005
1986	51.338
1987	51.338
1988	47.671
1989	47.671
1990	47.671
1991	47.671
1992	47.671
1993	47.671
1994	47.671
1995	47.671
1996	47.671
1997	47.671
1998	47.671
1999	47.671
2000	47.671
2001	51.338
2002	58.672
2003	66.006
2004	73.34
2005	77.007
2006	84.341
2007	84.341
2008	84.341
2009	91.675
2010	99.009
2011	102.676
2012	113.677
2013	113.677
2014	113.677
2015	113.677
2016	121.011