Year	kt
1960	26376.326967122313
1961	27477.40253000874
1962	28565.779764505725
1963	31940.726546295784
1964	34538.7367364192
1965	38168.02606073645
1966	42240.89519135916
1967	44535.41255306639
1968	51068.13333683747
1969	56209.62654628687
1970	60818.82398816982
1971	63661.57880562389
1972	53279.12485512154
1973	56452.32534407118
1974	59040.88279503137
1975	61488.31951268377
1976	62564.869106774706
1977	66766.23493839546
1978	69580.5855626481
1979	80733.15551491591
1980	81430.69513955158
1981	85240.95493886214
1982	82406.44420985122
1983	86333.63261675967
1984	91006.74489972364
1985	90974.4887321104
1986	91422.04305774374
1987	97917.62881085413
1988	103260.0565717922
1989	98663.55268690964
1990	95570.99261699301
1991	105727.016277989
1992	104888.0404103415
1993	103575.48672077019
1994	102506.69300211928
1995	110328.21961008565
1996	114130.97135614928
1997	118205.61426525179
1998	121974.8451829956
1999	126261.78667145716
2000	125647.2381522598
2001	133360.7532023067
2002	125028.96509658247
2003	146240.20035009124
2004	151912.66940910686
2005	154143.66676061729
2006	164117.9754540144
2007	184770.5302355256
2008	191135.76307981816
2009	186967.15286235666
2010	192837.91481608912
2011	197844.67784078157
2012	194240.99000000002
2013	201479.64800000002
2014	210430.79499999993
2015	206397.09500000003
2016	215571.929