Year	kt
1960	0
1961	0
1962	0
1963	0
1964	0
1965	0
1966	0
1967	0
1968	0
1969	0
1970	0
1971	0
1972	0
1973	0
1974	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	150.347
1991	150.347
1992	150.347
1993	154.014
1994	165.015
1995	190.684
1996	267.691
1997	227.354
1998	264.024
1999	234.688
2000	245.689
2001	297.027
2002	297.027
2003	275.025
2004	253.023
2005	293.36
2006	278.692
2007	260.357
2008	289.693
2009	300.694
2010	289.693
2011	304.361
2012	260.357
2013	260.357
2014	304.361
2015	1822.499
2016	1613.48