Year	% of total population
1960	11.170159257093776
1961	11.54760912527762
1962	11.758193337948455
1963	11.857073197162977
1964	11.980508548435129
1965	12.12007929883317
1966	12.202900294598683
1967	12.273385619057239
1968	12.346013377428775
1969	12.414083386165089
1970	12.483243445893565
1971	12.543557250670359
1972	12.643355638712748
1973	12.758487987375252
1974	12.886305440979832
1975	13.039065225784046
1976	13.211700969693622
1977	13.409736605087032
1978	13.621505818400232
1979	13.844769923677095
1980	14.077154236827313
1981	14.245369434069739
1982	14.38966298294727
1983	14.578805988618827
1984	14.787819549088633
1985	15.00491044563578
1986	15.2225075860394
1987	15.428568166016225
1988	15.644838892179028
1989	15.879472118612023
1990	16.121887018314272
1991	16.433332934918685
1992	16.76319932191523
1993	17.124845830876186
1994	17.51961060953148
1995	17.95012022258981
1996	18.41620854301979
1997	18.91717859883476
1998	19.462281878246557
1999	20.060683724801997
2000	20.714925255995553
2001	21.160120365605376
2002	21.52342580337118
2003	21.90368424052007
2004	22.28349807860571
2005	22.67531703857539
2006	23.090536712536654
2007	23.530425489602614
2008	23.98965260800706
2009	24.45666265727473
2010	24.941777083672932
2011	25.345407914802777
2012	25.68723615524707
2013	26.02372858719176
2014	26.37409883246747
2015	26.734628465210655
2016	27.103713430460328
2017	27.476998795572
2018	27.875703101763722
2019	28.271480342993573
2020	28.70535292277932
2021	29.17424198466593
2022	29.71480326454047
2023	30.201373958010073