Year	kt
1960	3027083.004908059
1961	3187271.054973234
1962	3419634.3020386593
1963	3651507.7572424742
1964	3908631.1937373686
1965	4203674.789987076
1966	4511466.262811142
1967	4811085.7097603725
1968	5234732.884392615
1969	5675663.470433556
1970	6513785.960366394
1971	6899197.329905402
1972	7435837.134185208
1973	7961240.92035558
1974	7918219.912373631
1975	7858302.545620018
1976	8272483.0567265665
1977	8606648.766463248
1978	8943422.909539293
1979	9088136.53352132
1980	8764803.683727242
1981	8392350.042887133
1982	8233017.903776017
1983	8185731.48238905
1984	8221406.948571439
1985	8220213.600397642
1986	8440047.685604269
1987	8414443.11042918
1988	8717698.683515346
1989	8906872.590134889
1990	8538309.425604656
1991	8672691.598492939
1992	8393694.06822495
1993	8480146.376765104
1994	8421410.646679457
1995	8498541.665631002
1996	8712396.076393044
1997	8824714.832404329
1998	8902854.581210898
1999	9048196.35473901
2000	9279051.913203713
2001	9341401.726432832
2002	9256119.875732994
2003	9508540.900745207
2004	9766774.905929726
2005	9793999.091093875
2006	9830410.678237418
2007	9770320.48595118
2008	9894084.668999264
2009	9783729.394172743
2010	9991202.30895417
2011	9959589.278647188
2012	10138352.475600429
2013	10211222.922553033
2014	10371781.003187427
2015	10802058.95848091
2016	10809209.636500811