Year	kt
1960	0
1961	0
1962	0
1963	0
1964	0
1965	0
1966	0
1967	260.357
1968	348.365
1969	0
1970	216.353
1971	440.04
1972	300.694
1973	333.697
1974	399.703
1975	476.71
1976	300.694
1977	513.38
1978	300.694
1979	385.035
1980	187.017
1981	304.361
1982	396.036
1983	616.056
1984	931.418
1985	1191.775
1986	1202.776
1987	392.369
1988	440.04
1989	480.377
1990	403.37
1991	388.702
1992	363.033
1993	352.032
1994	337.364
1995	322.696
1996	308.028
1997	282.359
1998	264.024
1999	242.022
2000	223.687
2001	209.019
2002	546.383
2003	465.709
2004	227.354
2005	330.03
2006	330.03
2007	308.028
2008	297.027
2009	271.358
2010	271.358
2011	308.028
2012	308.028
2013	297.027
2014	271.358
2015	282.359
2016	319.029