Year	kt
1963	7312.93213786296
1964	9552.024215402944
1965	10710.060620840412
1966	12713.534647425486
1967	13171.776047123134
1968	16836.907851416396
1969	24898.195016596925
1970	30787.02708469349
1971	30132.712410460543
1972	35111.722830214756
1973	40862.87925089341
1974	45457.7185076261
1975	49371.69996058796
1976	51992.43195387341
1977	47717.162057593516
1978	71307.92524345893
1979	76489.65201327133
1980	111296.2764286247
1981	117030.37001146277
1982	83644.11740103264
1983	90460.39902571696
1984	151190.68767960242
1985	164999.85800524458
1986	194936.6362322898
1987	212792.73892275285
1988	229371.2585082585
1989	248080.33580114902
1990	276641.83339168126
1991	307536.6647275047
1992	321938.48426866625
1993	360908.9969999637
1994	390504.8112447438
1995	372716.5367436948
1996	392310.6702643733
1997	397420.3877814537
1998	423719.8522980953
1999	441932.37226529414
2000	465322.1886733849
2001	467495.97738932143
2002	523323.67722693156
2003	554928.0872627757
2004	612700.5583522946
2005	691182.2152053817
2006	730851.043482731
2007	756827.6309189398
2008	816342.1364889328
2009	839668.1283578684
2010	904080.5532001616
2011	962816.7625430898
2012	997716.2480330742
2013	1007296.7196950018
2014	1077985.064660038
2015	1168524.8373930322
2016	1218142.148914384