Year	kt
1960	34447.276327122956
1961	37340.803530582976
1962	42544.75169498066
1963	47649.681818195306
1964	48650.86423460163
1965	53352.38752336683
1966	59979.26161291341
1967	58233.61022020497
1968	72330.84541678334
1969	73680.42464475962
1970	78469.96397013198
1971	82261.81100000003
1972	74832.46900000001
1973	78616.81300000001
1974	76915.32500000003
1975	80112.94900000001
1976	81385.398
1977	87098.584
1978	95705.03299999998
1979	105066.884
1980	106416.34000000001
1981	113911.68800000002
1982	120493.95300000002
1983	127204.56300000002
1984	135400.30800000005
1985	149342.24200000003
1986	155385.458
1987	164670.30200000005
1988	173005.393
1989	191974.78400000004
1990	203111.46300000002
1991	210812.16300000003
1992	235516.7420000001
1993	237856.2880000001
1994	255468.8890000001
1995	275080.0050000001
1996	310129.1910000001
1997	312380.72900000005
1998	334294.7210000001
1999	357972.54000000015
2000	379651.8440000001
2001	376083.8530000001
2002	362138.2520000001
2003	361588.2020000001
2004	368603.17300000007
2005	373824.981
2006	396989.4200000001
2007	419112.43099999987
2008	489786.52199999994
2009	544303.8109999999
2010	509867.0140000001
2011	511817.85800000007
2012	539041.666
2013	567002.541
2014	622938.959
2015	714580.956
2016	774708.755