Year	kt
1960	6901.094095636069
1961	8006.62748547826
1962	7772.69209240585
1963	7576.4882143451205
1964	7497.252032820594
1965	8425.447302107894
1966	8919.730148760887
1967	9202.716511348479
1968	9285.725844374174
1969	9051.790451301764
1970	8150.007242522639
1971	10423.904290850776
1972	11984.863320726201
1973	15395.70889321841
1974	18832.820603232565
1975	23560.72535718216
1976	26806.469493822166
1977	31680.71415682258
1978	35624.38709047419
1979	36678.784896712146
1980	41245.34052016981
1981	39684.3814902944
1982	42398.0330660235
1983	42276.02965730541
1984	56650.24944808842
1985	63390.01351151367
1986	63889.11836536031
1987	70325.72244348611
1988	70225.90147271681
1989	73738.12081460052
1990	93909.35105598737
1991	103938.11085549675
1992	116041.70718674092
1993	135250.9524773157
1994	146775.02315317554
1995	172763.1270112832
1996	186662.08497363838
1997	194806.32206310323
1998	169261.69415772028
1999	213532.1764198022
2000	200546.31556331826
2001	228760.27976610712
2002	222368.6000250081
2003	249231.32778483425
2004	262854.14750952675
2005	280331.8570319904
2006	310007.5129728072
2007	343261.9204737323
2008	369992.10187948035
2009	403975.514327835
2010	446817.4414404085
2011	494928.0861275861
2012	536201.5480502356
2013	579547.8876769398
2014	615806.679203635
2015	667532.8938826092
2016	693062.7944153169