Year	% of total population
1960	6.604462372388629
1961	6.708191650087135
1962	6.8212583086689955
1963	6.943530880675324
1964	7.073472512186201
1965	7.214225295910682
1966	7.362787148061346
1967	7.514552170773155
1968	7.674956485655169
1969	7.84628696852277
1970	8.010768228472099
1971	8.146159243305503
1972	8.274804114971245
1973	8.414297612159345
1974	8.56174762658218
1975	8.71450892552628
1976	8.877632070381782
1977	9.05101622997794
1978	9.234882116995681
1979	9.371017142954564
1980	9.447179648904868
1981	9.521658270444634
1982	9.613411003493171
1983	9.703162328929674
1984	9.792396658391457
1985	9.887754580984739
1986	9.9812826584731
1987	10.072957323611408
1988	10.159775625473108
1989	10.168927819519826
1990	10.12061728918472
1991	10.07452428342035
1992	10.020945189298644
1993	9.991067321844719
1994	10.016370899089779
1995	10.071518146946001
1996	10.136915417428876
1997	10.205407296430845
1998	10.272646052907099
1999	10.345542939968595
2000	10.425725702317164
2001	10.511398944565004
2002	10.609458394974364
2003	10.710899676989177
2004	10.807918363008257
2005	10.920624829066005
2006	11.046436349862761
2007	11.16515591325659
2008	11.279291543384891
2009	11.375665747174727
2010	11.459644831113586
2011	11.540071490698198
2012	11.608221217913792
2013	11.674590227649157
2014	11.771149396356325
2015	11.839355197947189
2016	11.91468511333348
2017	11.998242097426251
2018	12.091558257551524
2019	12.17770079186029
2020	12.274925796954083
2021	12.39503919201233
2022	14.319844736842105
2023	14.717721621621621