Year	% of total population
1960	44.991342705817
1961	45.18865093933
1962	45.3468771507294
1963	45.5324878209213
1964	45.6797313107257
1965	45.7053098748394
1966	45.6856026507195
1967	45.6632763284106
1968	45.6257617094158
1969	45.5732258334398
1970	45.4982983663629
1971	45.3731464148935
1972	45.1771678353579
1973	44.9352661682578
1974	44.6983168516413
1975	44.8594939857572
1976	45.2732513610101
1977	45.4878487055636
1978	45.5409896722937
1979	45.4593660205485
1980	45.2607553075758
1981	44.9745889081982
1982	44.6229890519758
1983	44.2181564478862
1984	43.7850644672402
1985	43.3432374636789
1986	42.9045611333119
1987	42.4772058478056
1988	42.0730046762493
1989	41.7038561894466
1990	41.3591704344254
1991	41.0322718011797
1992	40.6760247514235
1993	40.1621766960457
1994	39.4086275357421
1995	38.6126010695089
1996	37.9140521907477
1997	37.2745610136673
1998	36.7256422981373
1999	36.2822435013227
2000	35.9034327569008
2001	35.5624697615738
2002	35.2539282862468
2003	34.9475499763022
2004	34.6331269360313
2005	33.936516575125
2006	32.9050858493363
2007	31.9425010571942
2008	31.0442228155172
2009	30.1778311047827
2010	29.4774800387965
2011	29.0045768051383
2012	28.6105090746023
2013	28.227072836264
2014	27.8612353700623
2015	27.5167689327902
2016	27.1429565170343
2017	26.7159624487633
2018	26.3169684117654
2019	25.9859740719956
2020	26.0410680508446
2021	26.1804835195696
2022	25.946870840637
2023	25.5970920527431
