Year	kt
1960	47036.7650294113
1961	52912.22430534339
1962	60508.40632291269
1963	68306.81003020427
1964	61861.45326505474
1965	70831.14342233629
1966	83146.086875981
1967	58979.38888664953
1968	65622.10614657076
1969	74544.00697104709
1970	82201.32852744768
1971	95935.24755515413
1972	96924.11913396922
1973	105790.87842059342
1974	112562.2592688363
1975	122392.15741661123
1976	150216.57741680136
1977	181437.71614868328
1978	187345.2129039093
1979	230094.60914941216
1980	242376.4676803456
1981	276049.5667953862
1982	298558.3425466299
1983	336786.13268825726
1984	344046.43517212226
1985	361077.81816338684
1986	398000.59190918005
1987	386284.8531668619
1988	415881.1545833676
1989	408389.25764052354
1990	348020.30199999997
1991	427253.17100000003
1992	469753.7009999998
1993	529074.7599999999
1994	532811.4329999998
1995	508524.892
1996	506068.0019999998
1997	490043.2119999998
1998	508711.90899999987
1999	517087.3370000002
2000	624625.7790000001
2001	622733.6070000001
2002	600163.222
2003	666044.5439999999
2004	723326.7509999999
2005	725215.2559999999
2006	762589.32
2007	720301.4759999998
2008	799108.973
2009	869607.0479999998
2010	890519.9489999997
2011	873362.056
2012	990647.384
2013	971674.3259999999
2014	1038219.375
2015	987893.467
2016	919881.6179999999