Year	kt
1960	194103.59360314003
1961	240634.56454523554
1962	293336.52327645465
1963	344521.7011573425
1964	408360.0687916472
1965	468419.84601643606
1966	516774.2636059762
1967	567522.7086078201
1968	612078.4012484257
1969	665150.8658973638
1970	655791.3738143509
1971	722430.6022604895
1972	756241.0450593518
1973	812062.313035997
1974	870315.5256143115
1975	945730.4730186014
1976	1032653.9939638535
1977	1100527.7107141316
1978	1186195.2287076737
1979	1247917.3515197048
1980	1315957.4121656572
1981	1381211.009571091
1982	1453731.2051893033
1983	1553702.4599616593
1984	1694286.7128015
1985	1829950.1256008036
1986	1811918.1949289583
1987	2039066.608013471
1988	2170212.7287265086
1989	2256573.0965229045
1990	2295773.1424726057
1991	2332465.8938264325
1992	1862231.1383167547
1993	1867817.4742670495
1994	1815099.0431717928
1995	1871965.9885373353
1996	1937963.4125193332
1997	1926045.0989142894
1998	1947552.9003406067
1999	2044869.9051956083
2000	2060537.5564156626
2001	2140950.039402804
2002	2190953.488314396
2003	2355822.2956862813
2004	2462168.2491395883
2005	2582779.7003410226
2006	2684587.5084118606
2007	2789692.167762777
2008	2871065.70671282
2009	2841031.521485741
2010	3106883.6282980535
2011	3226797.7701421245
2012	3249297.489283281
2013	3316034.9078576076
2014	3391541.797560895
2015	3423167.188571164
2016	3488445.554447116