Year	% of total population
1960	22.84677881313808
1961	23.1347664822586
1962	23.459351619267547
1963	23.78862432140785
1964	24.124120349438623
1965	24.466165085066685
1966	24.81599678950817
1967	25.169385518495844
1968	25.519462078773604
1969	25.87143490653568
1970	26.22936290330585
1971	26.618285635489464
1972	27.062058948141594
1973	27.50135336322882
1974	27.947033560001586
1975	28.277856906863963
1976	28.73671217412731
1977	29.195112506054567
1978	29.658728933720866
1979	30.123693291928923
1980	30.60622759801038
1981	31.092171109655553
1982	31.50198229280552
1983	31.917447274142685
1984	32.34139692917774
1985	32.769487827313796
1986	33.19608506982234
1987	33.60883962151079
1988	34.018546572141375
1989	34.43061937622654
1990	34.881042566873134
1991	35.257094999686075
1992	35.606745448986125
1993	35.94245781571431
1994	36.29715206828301
1995	36.65378170866309
1996	36.983140425386935
1997	37.31256855443539
1998	37.64762252170484
1999	37.97935504331371
2000	38.31246208724561
2001	38.63506614165307
2002	38.98911749121257
2003	39.34094531306979
2004	39.6988473174161
2005	40.06527614070914
2006	40.44505974916601
2007	40.82508965062643
2008	41.20916613446199
2009	41.59313958118578
2010	41.97154273158276
2011	42.33435051185323
2012	42.69287781795788
2013	43.06532171436216
2014	43.45629882657165
2015	43.86662079897724
2016	44.26790724157656
2017	44.66148096415133
2018	45.06071302084481
2019	45.46640757983493
2020	45.866006026616965
2021	46.270954448875024
2022	46.69973861865164
2023	47.13457981575642