Year	% of total population
1960	63.04751328257471
1961	62.88638299422859
1962	62.91436253341281
1963	63.00913070613075
1964	63.05666932011062
1965	63.03962699258871
1966	63.08456604053796
1967	63.15958751685779
1968	63.20770173047345
1969	63.299557780355315
1970	63.40386293701976
1971	63.52597175959603
1972	63.654432944363116
1973	63.811058823344965
1974	63.99147614051348
1975	64.19806537662504
1976	64.43337277432758
1977	64.66797184069621
1978	64.91545368376504
1979	65.18173152078364
1980	65.47537758787242
1981	65.78767094945742
1982	66.11344661910019
1983	66.46221202847796
1984	66.75498059048232
1985	66.94932510243262
1986	67.09623739038543
1987	67.21514680168443
1988	67.26790648366368
1989	67.29599259897415
1990	67.31399280522206
1991	67.29459357834989
1992	67.24629828472335
1993	67.19649687418641
1994	67.16608336406446
1995	67.15987853450382
1996	67.17976438809175
1997	67.20917563547445
1998	67.24731209524599
1999	67.28658416965814
2000	67.30936814404721
2001	67.30617907743208
2002	67.29831647098351
2003	67.29952024935776
2004	67.29967810457786
2005	67.28306482528373
2006	67.25175629175321
2007	67.21117987363291
2008	67.1359328860212
2009	67.02701683170602
2010	66.93686818286028
2011	66.79800019294237
2012	66.54081063837529
2013	66.23230600555945
2014	65.93442466429279
2015	65.68541163779788
2016	65.42178474634612
2017	65.148166277949
2018	64.92113809208331
2019	64.6974091866533
2020	64.4884247823849
2021	64.30215639266177
2022	64.06971078884456
2023	63.853190045768976