Year	kt
1960	56066.36716726694
1961	61583.43865164579
1962	60974.17404611665
1963	64760.06825317953
1964	74272.49429863894
1965	84243.48311142667
1966	97809.60402006874
1967	103503.11933921759
1968	121808.94501096547
1969	147216.990823095
1970	205432.45126096424
1971	236772.46503125335
1972	261142.32473815145
1973	291682.6050422198
1974	308627.41642053716
1975	332531.3763558298
1976	375639.9449868336
1977	409203.0710531305
1978	447230.7642221364
1979	450737.8522666638
1980	452348.32470552094
1981	439262.77757703897
1982	441746.3535248893
1983	460242.94130784576
1984	455437.2035062447
1985	472869.92566899944
1986	496172.25125355704
1987	521275.8113881804
1988	566336.023156934
1989	587246.4853471069
1990	570488.7675778595
1991	623141.3685732788
1992	681182.4794518158
1993	744060.0722225839
1994	747691.0111425008
1995	821377.0655263958
1996	891549.5446726335
1997	968327.398561064
1998	921015.164150022
1999	940163.7824337468
2000	1046836.3667628284
2001	1058532.3912230467
2002	1062067.9721511279
2003	1151177.4786950343
2004	1296007.9297630012
2005	1304720.8592917388
2006	1317647.2383274285
2007	1345131.8371565065
2008	1401006.79811163
2009	1407596.5011264207
2010	1587975.411307006
2011	1630157.5781290042
2012	1697367.414998828
2013	1781790.4215689437
2014	1813180.437042847
2015	1877702.3204848233
2016	1904453.507737408