Year	kt
1960	11.001
1961	11.001
1962	11.001
1963	11.001
1964	11.001
1965	14.668
1966	18.335
1967	18.335
1968	18.335
1969	18.335
1970	29.336
1971	29.336
1972	29.336
1973	29.336
1974	29.336
1975	33.003
1976	40.337
1977	40.337
1978	29.336
1979	22.002
1980	47.671
1981	47.671
1982	47.671
1983	47.671
1984	47.671
1985	47.671
1986	44.004
1987	47.671
1988	51.338
1989	51.338
1990	62.339
1991	66.006
1992	66.006
1993	69.673
1994	69.673
1995	73.34
1996	77.007
1997	80.674
1998	88.008
1999	91.675
2000	102.676
2001	102.676
2002	102.676
2003	132.012
2004	143.013
2005	139.346
2006	161.348
2007	102.676
2008	106.343
2009	132.012
2010	161.348
2011	135.679
2012	143.013
2013	176.016
2014	154.014
2015	168.682
2016	201.685