Year	kt
1960	652311.4427438122
1961	660139.414822536
1962	703152.9108839771
1963	741672.8428421207
1964	794142.9987062562
1965	821584.9195689238
1966	885646.6367117694
1967	927412.9394710709
1968	993026.3118104019
1969	1077619.0316358234
1970	1123126.914301544
1971	1165736.906647587
1972	1193530.9762073292
1973	1186711.763417101
1974	1136992.7692488618
1975	1065268.1497290463
1976	1094643.2202100302
1977	1066067.8207286533
1978	1086033.918209672
1979	1128882.3445693592
1980	1114561.6308883198
1981	1081188.2054092996
1982	1014250.6072403437
1983	972675.0516919576
1984	1008627.2327339315
1985	986335.4865659819
1986	933641.5695505802
1987	985238.690103218
1988	1035093.4082484547
1989	1078081.2268007342
1990	1129733.3705872898
1991	1177632.9298206428
1992	1205111.5328392556
1993	1243624.1283662103
1994	1273079.8995902739
1995	1316353.8389589267
1996	1314196.928189344
1997	1324057.0917074366
1998	1298746.4041051902
1999	1364191.0385271728
2000	1425696.009400632
2001	1344566.0850964454
2002	1394156.6917188761
2003	1373053.4474035536
2004	1347860.1427003322
2005	1348248.9735533523
2006	1333704.4987210468
2007	1426326.942482891
2008	1422203.8681546412
2009	1408059.2288221393
2010	1455808.3912161167
2011	1495707.5722378031
2012	1556112.078432904
2013	1591301.270631216
2014	1643430.2824450603
2015	1684661.0257275603
2016	1716152.656606587