Year	% of total population
1960	47.3156547942758
1961	47.6638726525601
1962	48.0528868561297
1963	48.5096690203835
1964	48.733595084276
1965	48.6740548466056
1966	48.6049503669858
1967	48.5500490052737
1968	48.5085946097775
1969	48.4796141124292
1970	48.4659619403994
1971	48.47448168828
1972	48.5077062120793
1973	48.5683637271023
1974	48.6464497811945
1975	48.7521777833907
1976	48.8928003317862
1977	49.1427456561586
1978	49.6662148914507
1979	50.1991786753063
1980	49.7190892500148
1981	49.0263472077496
1982	48.8068173481685
1983	48.7977828755609
1984	48.8313184856417
1985	48.6579938784989
1986	48.4420648501777
1987	48.5047057724728
1988	48.7620625873482
1989	48.5675244400309
1990	48.0192394758378
1991	47.3910644967173
1992	47.0120615503396
1993	46.7664460258059
1994	46.299705099942
1995	45.636161187858
1996	44.7777055834984
1997	43.8995048713954
1998	43.0902074094651
1999	42.4365195119394
2000	42.0040505543181
2001	41.7984334199271
2002	41.7205884463485
2003	41.7458313522753
2004	41.9190335832152
2005	42.1632503398331
2006	42.3323687866419
2007	42.4725522562505
2008	42.678742560714
2009	42.9127605224369
2010	43.1700551033992
2011	43.3837576775603
2012	43.4539477379042
2013	43.3704403806256
2014	43.1723631332054
2015	42.8726705035847
2016	42.5178830716424
2017	42.1522976488331
2018	41.7987947795483
2019	41.4689727497105
2020	41.1560846287343
2021	40.8933046900733
2022	40.6340030355619
2023	40.2783436121593