Year	kt
1960	47.671
1961	14.668
1962	14.668
1963	40.337
1964	33.003
1965	40.337
1966	40.337
1967	44.004
1968	55.005
1969	51.338
1970	55.005
1971	62.339
1972	55.005
1973	33.003
1974	36.67
1975	51.338
1976	55.005
1977	44.004
1978	33.003
1979	69.673
1980	66.006
1981	73.34
1982	73.34
1983	73.34
1984	18.335
1985	11.001
1986	47.671
1987	33.003
1988	51.338
1989	33.003
1990	33.003
1991	33.003
1992	33.003
1993	36.67
1994	33.003
1995	25.669
1996	25.669
1997	33.003
1998	33.003
1999	22.002
2000	25.669
2001	25.669
2002	25.669
2003	25.669
2004	25.669
2005	44.004
2006	40.337
2007	25.669
2008	33.003
2009	36.67
2010	106.343
2011	407.037
2012	696.73
2013	1129.436
2014	1019.426
2015	1052.429
2016	1052.429