Year	kt
1962	47221.15222302994
1963	50274.357904179386
1964	58679.05951411126
1965	67492.32435889666
1966	72616.21352699489
1967	79841.42368098273
1968	85518.06116687239
1969	95436.6303285124
1970	106252.26303036246
1971	106865.59133423376
1972	109968.71656120752
1973	127484.43963440604
1974	139050.21758213866
1975	143631.67532874743
1976	147778.32939311062
1977	152131.8719419262
1978	191191.6454487523
1979	199925.19823872467
1980	248617.07080400182
1981	266454.14422659046
1982	246123.31173327085
1983	259765.5883602252
1984	348131.0586658754
1985	367641.6149962705
1986	396466.21005294047
1987	430339.5926828657
1988	461260.3096564783
1989	530958.7594910118
1990	563694.0403431945
1991	618752.6966491886
1992	610263.6562095175
1993	666729.6992016311
1994	713985.0504049103
1995	729433.8876727283
1996	777428.682434862
1997	805407.522564501
1998	836119.9523997979
1999	900979.3531802042
2000	875434.1078353319
2001	898407.3745425476
2002	972879.0508125871
2003	1037035.7416376913
2004	1119302.6314714022
2005	1188762.2790213116
2006	1258000.7175025907
2007	1297368.3038198627
2008	1352468.4316560992
2009	1384398.8165280423
2010	1478348.428245881
2011	1536786.7921808271
2012	1548275.4616758355
2013	1562035.9450457692
2014	1614695.5233714294
2015	1755578.4777627725
2016	1796097.5742232697