Year	% of total population
1960	7.17643226857921
1961	7.21867786646857
1962	7.25754964456683
1963	7.31641201032411
1964	7.43140161213138
1965	7.59821415664392
1966	7.79424948711277
1967	8.00705782390996
1968	8.22114631935725
1969	8.43865265557517
1970	8.66152039748829
1971	8.87994732788796
1972	9.08989681199023
1973	9.30326230964515
1974	9.52740432184859
1975	9.75196347904763
1976	9.96353499885748
1977	10.1510924173385
1978	10.298864702234
1979	10.3811572655207
1980	10.3735748183021
1981	10.2692024461988
1982	10.1106602969002
1983	9.95358029301837
1984	9.83117726037588
1985	9.75909314431526
1986	9.75474603667831
1987	9.85286266861098
1988	10.0535105308183
1989	10.3053108462871
1990	10.5896327620637
1991	10.920394719007
1992	11.2922579738319
1993	11.6871516471544
1994	12.1119448055154
1995	12.5375034793594
1996	12.9153384304006
1997	13.2362765671721
1998	13.4846930706796
1999	13.6683238129958
2000	13.8756196386042
2001	14.152171284412
2002	14.4421957226598
2003	14.7172904340784
2004	14.9470297271047
2005	15.0875632337386
2006	15.1206221515905
2007	15.0273265196999
2008	14.8239353662397
2009	14.5642303789082
2010	14.3251344330076
2011	14.2180501734757
2012	14.2827764572819
2013	14.4755364863553
2014	14.7341281452839
2015	14.9859096475283
2016	15.2299984239981
2017	15.5029689295578
2018	15.8307241959436
2019	16.215750491706
2020	16.5527294408646
2021	16.8291690451227
2022	17.1844291443656
2023	17.6560852654987