Year	% of total population
1960	8.04623888953758
1961	8.15907586518938
1962	8.26140465807269
1963	8.35246587767912
1964	8.38972048367351
1965	8.41614277022916
1966	8.43704690572571
1967	8.44808542436678
1968	8.5178512043917
1969	8.63763112468464
1970	8.78108065809809
1971	8.89140567781114
1972	8.93585288086008
1973	8.97732302447569
1974	9.05212257468146
1975	9.14823026603904
1976	9.28513538363047
1977	9.45145378380388
1978	9.61831685603266
1979	9.7585597711786
1980	9.85442231110605
1981	9.89921258478357
1982	9.933524362648
1983	9.98833980302069
1984	10.0485446007431
1985	10.1495379329615
1986	10.3120107496394
1987	10.4327680286141
1988	10.4634948072656
1989	10.5176423630116
1990	10.6293832432422
1991	10.7143272439736
1992	10.7971867374767
1993	10.9051022708544
1994	11.0369256022643
1995	11.2267960744319
1996	11.3923603821852
1997	11.5037285037525
1998	11.5598738538382
1999	11.5642987328276
2000	11.5615962367922
2001	11.5878669742461
2002	11.6578294498224
2003	11.7185585971063
2004	11.7527846614026
2005	11.719582464309
2006	11.6193448558805
2007	11.5485501181646
2008	11.5822356514486
2009	11.8051885113104
2010	12.1361907185243
2011	12.4517292893988
2012	12.7743360557294
2013	13.0747829253652
2014	13.3695617340188
2015	13.6881738781095
2016	13.9315020950355
2017	14.0331808446245
2018	14.1302068871725
2019	14.3078294059031
2020	14.5718618154248
2021	14.9255403891072
2022	15.3250817581728
2023	15.7386326546653