Year	kt
1960	0
1961	0
1962	0
1963	0
1964	14.668
1965	22.002
1966	51.338
1967	44.004
1968	66.006
1969	69.673
1970	80.674
1971	84.341
1972	84.341
1973	91.675
1974	95.342
1975	88.008
1976	80.674
1977	80.674
1978	77.007
1979	77.007
1980	69.673
1981	55.005
1982	44.004
1983	44.004
1984	29.336
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0