Year	% of total population
1960	43.1310430706124
1961	42.9494185733995
1962	42.8527323247916
1963	42.6611570247934
1964	42.3591594688668
1965	41.9366637462467
1966	41.4062961182652
1967	40.725620154062
1968	39.9492185201066
1969	39.1934940165178
1970	38.4280916650453
1971	37.6186954341044
1972	36.690708599876
1973	35.6158037917646
1974	34.4725334221815
1975	33.3498035921634
1976	32.1853168280427
1977	31.0564462991434
1978	30.1394602999773
1979	29.423765442054
1980	28.9240602892406
1981	28.6966868167408
1982	28.4832689017048
1983	28.1802050782783
1984	27.9012691957086
1985	27.534973169143
1986	27.0591606896659
1987	26.5275407292475
1988	26.0813131980445
1989	26.0056815103219
1990	26.5592780563524
1991	27.6965696098078
1992	28.102405561927
1993	27.5241846323936
1994	26.8469626090041
1995	26.0090850097339
1996	25.1488975911958
1997	24.4795866011874
1998	23.9784245154407
1999	23.608504955852
2000	23.2556312499299
2001	22.8794636703955
2002	22.5041130517209
2003	22.1027820627609
2004	21.6689206164241
2005	21.3578103997545
2006	21.2401876441455
2007	21.1831134346555
2008	21.1304543042573
2009	21.0513849131153
2010	20.7486433828476
2011	20.2250019745676
2012	19.7372480083046
2013	19.3487558320373
2014	19.0455045659015
2015	18.7996067429202
2016	18.5717214384812
2017	18.3348587091053
2018	18.0697706242362
2019	17.7673391737323
2020	17.3510219591029
2021	16.7994067760814
2022	16.240781624313
2023	15.7117720673335