Year	kt
1960	25365.534040546587
1961	25284.82552314485
1962	25984.29934062659
1963	26760.523603685826
1964	27306.10786093254
1965	27436.667229132752
1966	28458.10228622852
1967	31207.90002400715
1968	32417.6574086444
1969	34783.12494758362
1970	32570.52638658879
1971	33711.39751960174
1972	34187.72082092701
1973	36830.546879893045
1974	40180.175256954666
1975	41693.65413374627
1976	42438.93828577307
1977	47533.45504902991
1978	54622.55249996033
1979	58806.84904416804
1980	52717.55292245859
1981	50032.311394163145
1982	52287.47278465487
1983	56654.66729237078
1984	62962.411975683804
1985	72123.65008182156
1986	72607.03199194442
1987	78508.79644183327
1988	80160.52402488659
1989	85487.6959695506
1990	84916.65379706501
1991	86492.86849180238
1992	84752.14595271136
1993	89810.54674806364
1994	95550.30413776082
1995	101087.12147298572
1996	108925.20244477365
1997	113887.4866956323
1998	116192.49836154038
1999	112026.76737602758
2000	112826.6851888595
2001	110790.53075619649
2002	113439.96095786129
2003	129780.21588084986
2004	124996.11576508259
2005	137220.49668923768
2006	142095.24392050967
2007	140314.55377813277
2008	142416.91697848742
2009	126953.63354855645
2010	158677.66374941892
2011	176261.22702004437
2012	168266.36857359513
2013	179875.02905248635
2014	184806.51331647066
2015	188332.2762720536
2016	184344.5486845789