Year	% of total population
1960	48.7818747456387
1961	48.7946537044886
1962	48.8106249286491
1963	48.8289432426605
1964	48.8486192850893
1965	48.869086682533
1966	48.8901728021202
1967	48.9109148355025
1968	48.9340083451162
1969	48.9598547736751
1970	48.9862507676821
1971	49.0149856432115
1972	49.0449987845595
1973	49.0750726082522
1974	49.1061978388379
1975	49.1363787533257
1976	49.1688397858256
1977	49.204575070731
1978	49.2395813121463
1979	49.273616586363
1980	49.2713514918249
1981	49.2325773440521
1982	49.1897462784085
1983	49.1424961764349
1984	49.0916824390884
1985	49.0367542818706
1986	48.9777998083777
1987	48.9161204150647
1988	48.8478373724508
1989	48.8468653410112
1990	48.9117479930263
1991	48.9698261177639
1992	49.0223919351442
1993	49.0692755260935
1994	49.1100128065633
1995	49.1429682751454
1996	49.1684090532337
1997	49.1893982865807
1998	49.2085892934632
1999	49.2253079761542
2000	49.2396148765236
2001	49.2536073702065
2002	49.2675200171612
2003	49.2796998017226
2004	49.2896166473574
2005	49.3004896868972
2006	49.3119842455504
2007	49.323368811362
2008	49.3381970450285
2009	49.3564219892194
2010	49.3763821737785
2011	49.3976191288967
2012	49.4207942503337
2013	49.4442810779312
2014	49.4638851296946
2015	49.4801030308002
2016	49.4966994464231
2017	49.5119197276716
2018	49.5227422092356
2019	49.529440992982
2020	49.5350405843558
2021	49.5395905456684
2022	49.5408792415216
2023	49.5397400285447