Year	kt
1960	140256.02645309467
1961	145006.0111536682
1962	149107.3156055759
1963	153611.47670214568
1964	163336.7695666896
1965	177286.67556969405
1966	175581.58866606676
1967	179585.07765845265
1968	187528.27396923845
1969	190896.09410377382
1970	197055.57022858484
1971	211853.142277357
1972	217361.18627546832
1973	217843.06967623005
1974	221179.67217297287
1975	225146.61679732474
1976	241157.77261322987
1977	247878.81479024855
1978	251506.8005201601
1979	278257.99765264255
1980	299183.35498197103
1981	332975.4435331345
1982	350909.00416167016
1983	365295.0343440533
1984	400812.6973780708
1985	414208.59592846804
1986	427821.58216288366
1987	436203.2846946145
1988	451473.5500777549
1989	437251.659363776
1990	410142.17296929617
1991	427258.7588827427
1992	402625.89714018384
1993	444914.86635464756
1994	460312.3884788884
1995	484537.9643390815
1996	490234.6772651574
1997	502373.91233047267
1998	492501.6586507824
1999	508907.97565360845
2000	510833.7735862202
2001	509738.60827838886
2002	492173.6381237991
2003	536262.618284619
2004	573886.2719782107
2005	565290.506781389
2006	573056.2995699074
2007	587805.490774786
2008	624173.9666154534
2009	611624.7280041534
2010	607506.8438937056
2011	599318.6507138809
2012	594574.1878202319
2013	593676.0155575144
2014	627246.5247181437
2015	588610.0146413754
2016	607849.0532156875