Year	% of total population
1960	5.246137856966
1961	5.41325056968913
1962	5.61036223153066
1963	5.81919256440877
1964	6.01883828021803
1965	6.1977346465412
1966	6.35710052727816
1967	6.49922305465211
1968	6.62644218977637
1969	6.74988101291678
1970	6.88279684305731
1971	7.03792143532247
1972	7.23917396946443
1973	7.4795883176748
1974	7.73325338304296
1975	7.98878776985
1976	8.23402881099847
1977	8.47207891626245
1978	8.69353593075464
1979	8.87636519991148
1980	8.99130042566533
1981	9.04047702420819
1982	9.05191558140473
1983	9.06515744481939
1984	9.12551897828821
1985	9.21048007247027
1986	9.28397904272123
1987	9.3720906961092
1988	9.48389071207895
1989	9.5918568289516
1990	9.68674569364851
1991	9.75106882479042
1992	9.79438765119069
1993	9.83992320733674
1994	9.90138585771222
1995	9.94680432132639
1996	9.96707435526218
1997	9.98360171351472
1998	9.97866259227355
1999	9.97020731093704
2000	9.97986253951719
2001	10.0115950959782
2002	10.058249632179
2003	10.088306460548
2004	10.099664394401
2005	10.0958516702998
2006	10.067758311272
2007	10.0164226051111
2008	9.96431985086766
2009	9.96234219400038
2010	10.0084056030986
2011	10.1348450195844
2012	10.348788596998
2013	10.5538267684577
2014	10.732317829449
2015	10.9097367584366
2016	11.1005086524601
2017	11.3104637394174
2018	11.5123509383274
2019	11.673140065959
2020	11.8056892902926
2021	11.93016810338
2022	12.0448968938769
2023	12.1711823709133