Year	% of total population
1960	44.42685409039524
1961	43.898277100916836
1962	43.37197143524502
1963	42.82037682303854
1964	42.26943069012381
1965	41.70867278557933
1966	41.150769785530294
1967	40.607311079440564
1968	40.08200207567535
1969	39.58423137489826
1970	39.09412671570791
1971	38.61851307187926
1972	38.15313138262489
1973	37.70109910231417
1974	37.258970191267956
1975	36.84964005187354
1976	36.46628494555045
1977	36.08053765868651
1978	35.69060206754233
1979	35.33682902783565
1980	35.02686512240513
1981	34.689627423088304
1982	34.387329943749144
1983	34.10371960014465
1984	33.83060187341804
1985	33.56698193902587
1986	33.30898470155633
1987	33.03064633471054
1988	32.7533699079712
1989	32.55206050294081
1990	32.40777584494157
1991	32.27837648171031
1992	32.16733239151621
1993	32.06254991716579
1994	31.951058670143983
1995	31.838420330385237
1996	31.736777090559077
1997	31.63436946624214
1998	31.526134057230802
1999	31.408947977628866
2000	31.28002470681417
2001	31.12494010682427
2002	30.924076557774182
2003	30.713421771020776
2004	30.500250475584092
2005	30.284526904712983
2006	30.069893039043784
2007	29.852675146214064
2008	29.640174314862712
2009	29.4358266247232
2010	29.240222741359176
2011	29.06256941840233
2012	28.886464514963258
2013	28.713695302135935
2014	28.5418538817132
2015	28.362861005681022
2016	28.178394859620944
2017	27.989394806399467
2018	27.7935818121141
2019	27.59066091017076
2020	27.387096289080766
2021	27.18409306837788
2022	26.929142038862533
2023	26.693077921229868