Year	kt
1960	250985.53664126276
1961	262871.54531053145
1962	272994.1193801062
1963	288503.03334764554
1964	313749.6608131766
1965	332155.42949362536
1966	354947.8496033646
1967	368285.6922580843
1968	416603.20058105554
1969	445330.27939754847
1970	489351.9729040876
1971	541889.1925206302
1972	546676.9685188043
1973	604610.9504982929
1974	644226.4851804194
1975	684364.3226987098
1976	739062.2979758756
1977	820988.1471904834
1978	867510.9476407269
1979	947207.5477937348
1980	980112.6264720962
1981	1028542.9677152876
1982	1095030.6048377592
1983	1121433.3916861888
1984	1117860.5375025712
1985	1165083.5265375278
1986	1213498.7285680773
1987	1242573.5864478985
1988	1296525.9555024232
1989	1341977.6566582136
1990	1288301.5782344132
1991	1410367.6995703494
1992	1501031.445
1993	1538695.2020000003
1994	1554364.2929999996
1995	1555251.707
1996	1610542.7329999993
1997	1640454.4519999993
1998	1717230.4309999996
1999	1803980.6500000006
2000	1921045.9580000003
2001	1930653.4979999997
2002	1915626.1320000007
2003	1981793.4800000002
2004	2041627.9190000007
2005	2042166.9680000006
2006	2119551.6689999993
2007	2140563.5790000004
2008	2287951.31
2009	2395794.113
2010	2381859.5130000003
2011	2379919.67
2012	2518832.964
2013	2527501.752
2014	2649414.834
2015	2710404.378
2016	2654475.2940000007