Year	kt
1960	14.668
1961	18.335
1962	18.335
1963	22.002
1964	25.669
1965	29.336
1966	25.669
1967	25.669
1968	29.336
1969	29.336
1970	29.336
1971	36.67
1972	36.67
1973	36.67
1974	33.003
1975	58.672
1976	47.671
1977	80.674
1978	106.343
1979	95.342
1980	99.009
1981	102.676
1982	113.677
1983	113.677
1984	113.677
1985	113.677
1986	113.677
1987	113.677
1988	113.677
1989	121.011
1990	102.676
1991	106.343
1992	110.01
1993	110.01
1994	113.677
1995	117.344
1996	124.678
1997	128.345
1998	132.012
1999	135.679
2000	143.013
2001	146.68
2002	146.68
2003	154.014
2004	150.347
2005	161.348
2006	165.015
2007	172.349
2008	179.683
2009	187.017
2010	187.017
2011	201.685
2012	198.018
2013	198.018
2014	209.019
2015	234.688
2016	245.689