Year	% of total population
1960	34.14969474352238
1961	34.67878018776699
1962	35.026043398022345
1963	35.229385772823036
1964	35.24831873030781
1965	35.13874111301637
1966	35.05907830790302
1967	35.03108949656757
1968	34.92454516048953
1969	34.69811899935624
1970	34.41504579787388
1971	34.11385904846865
1972	33.79671964319426
1973	33.47153740045748
1974	33.1188845268749
1975	32.729343989350006
1976	32.33709252437864
1977	31.977377919876652
1978	31.63185735661201
1979	31.35600313360737
1980	31.17921763820308
1981	31.048718833914926
1982	30.965161017695426
1983	30.869344069556874
1984	30.806825479339015
1985	30.800643972022723
1986	30.772854408235304
1987	30.715281205075573
1988	30.62736884875404
1989	30.529824603064146
1990	30.421865680784506
1991	30.275068639228692
1992	30.128985185294617
1993	29.975475926777914
1994	29.764344991024704
1995	29.50239315603475
1996	29.177334466141986
1997	28.79455706782922
1998	28.34220452992373
1999	27.833563117930716
2000	27.29917589736991
2001	26.729906763321466
2002	26.142666499433485
2003	25.573825333981954
2004	25.04196912958318
2005	24.557585325715717
2006	24.133717737983094
2007	23.787819704725774
2008	23.540413063528483
2009	23.35794681888776
2010	23.21974365249864
2011	23.112796887385713
2012	23.04079494664373
2013	23.024761369070493
2014	23.06199262965401
2015	23.132338255375696
2016	23.210080523075845
2017	23.297322944201188
2018	23.397629661284906
2019	23.475424811170598
2020	23.52825353651839
2021	23.555538698475434
2022	23.759198240010733
2023	23.68849309765547