Year	kt
1960	566313.0094234645
1961	613171.6827296601
1962	683723.1713883394
1963	738097.0679047151
1964	783909.4302610174
1965	845655.0408050648
1966	913034.8927103825
1967	974208.9722962008
1968	1053955.7813189535
1969	1149332.5433554165
1970	1316207.4229252907
1971	1429098.9741143058
1972	1557883.9500353641
1973	1702704.22007526
1974	1808498.2485134953
1975	1907713.5908155146
1976	2015955.8795287192
1977	2099683.138203823
1978	2254827.4461913113
1979	2287907.333780754
1980	2314907.1047932864
1981	2284052.5398709937
1982	2278195.360901904
1983	2276432.1270946003
1984	2256027.25586249
1985	2303342.7230640035
1986	2341035.3924297947
1987	2202639.778906167
1988	2228030.3457313436
1989	2247908.273526788
1990	2189340.5372469397
1991	2216109.263829549
1992	1689417.1386491864
1993	1711303.402592122
1994	1589907.4930512796
1995	1622037.9967493108
1996	1670103.9845108248
1997	1730427.4665287072
1998	1723983.5690642274
1999	1739503.796214003
2000	1829840.7132002173
2001	1859168.2327307304
2002	1816993.702432426
2003	1919195.1026673939
2004	2068921.1736156521
2005	2102138.0190611472
2006	2185752.1630480406
2007	2228819.321327464
2008	2333729.711336909
2009	2302347.897593208
2010	2476140.70608513
2011	2559484.382707596
2012	2694616.8878064402
2013	2757255.3414708376
2014	2799726.0832994785
2015	2787293.3774087606
2016	2855130.226310853