Year	kt
1960	176569.717
1961	183250.99099999995
1962	189085.18799999997
1963	190152.28500000003
1964	204783.615
1965	211310.8749999999
1966	222462.22199999995
1967	235872.44099999993
1968	258710.517
1969	285395.2759999999
1970	315215.31999999995
1971	338658.45099999994
1972	362464.615
1973	397642.1459999999
1974	432291.6289999999
1975	445470.82699999993
1976	471539.5299999999
1977	491623.68899999984
1978	527351.2699999999
1979	560673.2989999998
1980	595278.778
1981	589770.9439999998
1982	591267.08
1983	558139.402
1984	551161.1009999999
1985	563232.8649999998
1986	595462.128
1987	623070.9709999998
1988	634739.365
1989	650379.1200000002
1990	643987.5389999999
1991	656734.0310000002
1992	697368.0580000001
1993	711636.3550000002
1994	721867.2850000001
1995	716209.1040000004
1996	733653.023
1997	776116.883
1998	831646.2640000002
1999	857326.265
2000	833373.4209999999
2001	861979.6880000002
2002	865855.707
2003	867751.5460000001
2004	851748.7579999999
2005	891906.0750000001
2006	902133.3380000002
2007	918172.796
2008	961399.3919999999
2009	942686.6909999999
2010	967013.5689999999
2011	982645.9899999998
2012	1036990.9300000002
2013	1051325.2330000002
2014	1055138.9130000002
2015	1015128.276
2016	988054.8149999998