Year	% of total population
1960	8.9966241967529
1961	9.13418926072258
1962	9.26390847766428
1963	9.36929389761494
1964	9.47896690075425
1965	9.58929613622063
1966	9.69952249121193
1967	9.833217340874
1968	9.9620855318564
1969	10.0708824869823
1970	10.1749685421566
1971	10.2762841866873
1972	10.3793544013771
1973	10.5017928703181
1974	10.6512414114726
1975	10.7909206611535
1976	10.9018912454386
1977	11.0411155719339
1978	11.2057371897073
1979	11.3677559215049
1980	11.5088744561632
1981	11.6229622211447
1982	11.7345613886051
1983	11.8281302187914
1984	11.9107231358141
1985	12.0580820606427
1986	12.2473788901795
1987	12.4161746324658
1988	12.5868846414606
1989	12.7337935957199
1990	12.8416061830709
1991	12.9310048048115
1992	13.0113588923537
1993	13.0798029727195
1994	13.1490004692993
1995	13.2390715836234
1996	13.3265407935945
1997	13.4094033201097
1998	13.4839100505963
1999	13.5414629444901
2000	13.6018468929285
2001	13.6730964214177
2002	13.7515129266816
2003	13.8542833986428
2004	14.0057485055525
2005	14.1938752161426
2006	14.3844478853771
2007	14.5864900641242
2008	14.8424040916676
2009	15.1507593261635
2010	15.4472914886499
2011	15.9042298786598
2012	16.5110195534795
2013	17.0326468552977
2014	17.4883144654081
2015	17.8882505142345
2016	18.2468894721336
2017	18.6066493801024
2018	18.9656134421745
2019	19.3190662940831
2020	19.6470630241117
2021	19.9514241348788
2022	20.3147213387555
2023	20.7337558731906