Year	% of total population
1960	56.9396907824855
1961	56.4894788707901
1962	55.9609046482555
1963	55.3954031943903
1964	54.8765196532737
1965	54.540601142491
1966	54.3093085245387
1967	54.188629036385
1968	54.1478809738503
1969	54.1744425891366
1970	54.6356515547116
1971	55.5500584690114
1972	56.5758193241637
1973	57.6107048139516
1974	58.7017838085074
1975	59.7962439271989
1976	60.8349763065961
1977	61.8272634051139
1978	62.8076080398819
1979	63.7948404823691
1980	64.640350877193
1981	65.3680741733691
1982	66.1211522545853
1983	66.8804128452086
1984	67.6120096899699
1985	68.3096774193548
1986	68.9892095244532
1987	69.6439792844915
1988	70.2239569201227
1989	70.75900032144
1990	71.3572183267698
1991	72.0085587315521
1992	72.6082332223249
1993	73.1028513407793
1994	73.5036205936182
1995	73.8339125663069
1996	74.1178879026716
1997	74.3500379437308
1998	74.560513174455
1999	74.7551899725813
2000	74.8162436804216
2001	74.8273636263991
2002	74.9308115365138
2003	75.0721003134796
2004	75.2409658507502
2005	75.4475511754572
2006	75.6688876434813
2007	75.8897818599311
2008	76.1076227920897
2009	76.2706386699999
2010	76.3266664817332
2011	76.3091977221942
2012	76.2952866690116
2013	76.3296227581942
2014	76.3455032362595
2015	76.291638620282
2016	76.1896730356842
2017	76.0415847501612
2018	75.8661611491277
2019	75.6993377082892
2020	75.5825614131525
2021	75.3903956792298
2022	75.0740479292051
2023	74.7525609580147