Year	% of total population
1960	16.6496746297447
1961	17.108243339170702
1962	17.569352279185974
1963	18.035507521904414
1964	18.509494508170835
1965	18.424855124697512
1966	18.371406847062165
1967	18.356040957889654
1968	18.34223160483123
1969	18.32945436454009
1970	18.322764715286812
1971	18.346766438849485
1972	18.390707607931546
1973	18.52232610429602
1974	18.732325185934286
1975	18.789168242507163
1976	18.95578835321889
1977	19.12606024222238
1978	19.53433433568455
1979	20.18998738881719
1980	20.87898486182181
1981	21.595306268450194
1982	22.322802410628313
1983	22.950739858752343
1984	23.59652077056445
1985	24.252762646268447
1986	24.91981558063986
1987	25.59853938365252
1988	26.290742570278677
1989	26.996194094246295
1990	27.715805432881446
1991	28.500590361989303
1992	29.309765324022173
1993	30.131596949688298
1994	30.969421562597212
1995	31.821989885339462
1996	32.690827600472744
1997	33.569686200493116
1998	34.461306108804116
1999	35.36392892338949
2000	36.29166066266881
2001	37.33459958125322
2002	38.45791111472635
2003	39.59282446256077
2004	40.73820623772446
2005	41.887702200050406
2006	43.01237744271835
2007	44.12447016399073
2008	45.24166114885919
2009	46.35798372515631
2010	47.47401671693588
2011	48.52523985715346
2012	49.55104401015314
2013	50.57062884986467
2014	51.58735234944209
2015	52.59860876310391
2016	53.60477534994025
2017	54.60234915851482
2018	55.57485292704741
2019	56.519210394167295
2020	57.43471788617247
2021	58.32141778703903
2022	59.180823199849655
2023	60.01000106647129