Year	% of total population
1960	48.6231616181385
1961	48.1300141072797
1962	47.6962554492159
1963	47.3267800171748
1964	47.1846006299714
1965	47.3401895669918
1966	47.6518650222901
1967	48.0653186589906
1968	48.5116233980792
1969	48.9282478343007
1970	49.2964150061346
1971	49.6116579083096
1972	49.8961632825581
1973	50.1664931519295
1974	50.4200797493234
1975	50.6557705952226
1976	50.8486282990409
1977	50.9654310498381
1978	50.9886066555904
1979	50.9528860111612
1980	50.8935677661011
1981	50.8149995791962
1982	50.7055361589216
1983	50.4806681029352
1984	50.1640984762567
1985	49.9293493663065
1986	49.821485843525
1987	49.7345130247136
1988	49.5361249886666
1989	49.2241045139694
1990	48.9635090343701
1991	48.906245136548
1992	49.0167792893166
1993	49.2148255350587
1994	48.178574160455
1995	46.8833970441174
1996	47.7159253516059
1997	48.5781229864302
1998	49.5770972938712
1999	50.581440715982
2000	51.5141790891565
2001	52.3198549211382
2002	52.9453056302529
2003	53.466235348156
2004	53.8963546078599
2005	54.1701280796189
2006	54.3190606366266
2007	54.3933040773142
2008	54.4536383753562
2009	54.5556848013842
2010	54.7129696282803
2011	54.896041687703
2012	55.1075455793152
2013	55.3443119685584
2014	55.5859652477736
2015	55.8492690732657
2016	56.1658490208555
2017	56.5093371491992
2018	56.8413495020571
2019	57.188613067303
2020	57.5710321064882
2021	57.9670941389163
2022	58.3371667992275
2023	58.6631249528634