Year	kt
1961	24206.145212620933
1962	27273.302561376364
1963	29948.351726342033
1964	33964.015453332
1965	40579.37529816055
1966	43964.57896875642
1967	47539.285134907266
1968	51518.837541561945
1969	69573.25711807319
1970	80088.04198515667
1971	78352.78675819092
1972	73396.14187720462
1973	83421.10648051661
1974	97861.5225029395
1975	105515.54432089237
1976	116622.89584795527
1977	127467.14095259123
1978	174100.8320642073
1979	151494.01688500834
1980	176549.68889661765
1981	168034.1266608273
1982	172406.79386278853
1983	190532.27144377923
1984	277938.3066980828
1985	297670.16546753095
1986	318011.933672169
1987	364897.6477181629
1988	387386.9843565675
1989	417269.89607666724
1990	473754.525990831
1991	511889.37922253733
1992	544497.2425255727
1993	560838.8370119901
1994	559499.4900803674
1995	595309.6753263548
1996	640109.7507612989
1997	630037.1458524669
1998	620694.0440876908
1999	691057.9382552352
2000	661167.3085744615
2001	686928.6957237698
2002	729323.1736215025
2003	796424.6052664967
2004	832463.59523943
2005	884158.5288363749
2006	893505.8279759326
2007	923076.9997112615
2008	952901.5863868989
2009	962338.9572327645
2010	1052811.7049141708
2011	1088703.4118566227
2012	1076216.9662210587
2013	1066222.3503047721
2014	1092103.843022835
2015	1158014.4939073762
2016	1177707.3578860133