Year	kt
1960	0
1961	0
1962	22.002
1963	29.336
1964	1239.446
1965	1976.513
1966	2178.198
1967	2181.865
1968	3149.953
1969	3351.638
1970	0
1971	3.667
1972	542.716
1973	946.086
1974	1037.761
1975	1056.096
1976	1114.768
1977	1162.439
1978	1162.439
1979	1232.112
1980	21961.663
1981	42683.88
1982	17194.563
1983	8415.765
1984	34931.842
1985	39119.556
1986	48375.064
1987	51448.01
1988	55859.411
1989	56625.814
1990	90890.262
1991	111586.81
1992	113610.994
1993	119819.225
1994	124622.995
1995	75958.238
1996	79284.207
1997	82547.837
1998	83970.633
1999	82470.83
2000	88253.689
2001	81319.392
2002	95015.637
2003	97982.24
2004	119342.515
2005	127358.577
2006	135110.615
2007	113570.657
2008	125253.719
2009	119690.88
2010	137189.804
2011	139731.035
2012	151711.124
2013	153324.604
2014	159257.81
2015	200661.907
2016	212975.693