Year	kt
1960	58117.804269612156
1961	57250.20974702196
1962	57945.02061468955
1963	64562.266973428355
1964	71690.51180098091
1965	76175.53433301496
1966	90384.23276441802
1967	75307.93981042477
1968	92994.36882814279
1969	87785.12544462449
1970	89880.58679155847
1971	105148.04464035975
1972	107805.97192778646
1973	124389.52655238137
1974	138447.49881672428
1975	149663.73139478653
1976	178514.92551888776
1977	200660.64333280027
1978	198348.28335521882
1979	238540.7024886029
1980	226938.46387294747
1981	239298.00957188083
1982	254752.956067513
1983	283986.4799812303
1984	293552.0772175849
1985	303393.3930522204
1986	300566.3583578481
1987	317668.2639472108
1988	348581.83318645234
1989	360231.8630258097
1990	342560.13899999997
1991	373964.3269999999
1992	391954.62899999996
1993	413725.6079999999
1994	429666.05699999986
1995	436516.0129999999
1996	428331.2689999999
1997	434920.8679999999
1998	490956.29499999987
1999	533456.8249999998
2000	530655.237
2001	542943.3539999999
2002	515374.84799999994
2003	554468.735
2004	579426.3369999999
2005	579840.708
2006	583947.7479999999
2007	552664.571
2008	607137.856
2009	628278.1109999999
2010	624317.751
2011	637544.6200000001
2012	673741.5769999998
2013	693660.7210000001
2014	710767.2760000002
2015	666554.2569999999
2016	671904.4099999998