Year	% of total population
1960	43.5950221231031
1961	44.3068413811726
1962	45.001896299507
1963	45.5595932932279
1964	45.9870876029142
1965	46.2482055566819
1966	46.3449202737098
1967	46.3241613210153
1968	46.203984670063
1969	45.9981078863798
1970	45.7638919107088
1971	45.6441191050934
1972	45.6715130626966
1973	45.718454097884
1974	45.7258731476739
1975	45.9264953979542
1976	46.2844709794782
1977	46.5383384671077
1978	46.6843875778231
1979	46.725510397442
1980	46.7025917776783
1981	46.6439285708734
1982	46.5728321060067
1983	46.5351141566998
1984	46.5394331875191
1985	46.5844695387114
1986	46.660334445829
1987	46.7529637127995
1988	46.8508701775743
1989	46.9267066871423
1990	47.0403647101259
1991	47.1094369388404
1992	46.9853147164397
1993	46.6996724943778
1994	46.2833775254883
1995	45.7553390222944
1996	45.1416484761536
1997	44.4778690989392
1998	43.7826829678293
1999	43.0653630676094
2000	42.2190022498587
2001	41.2357980762215
2002	40.2210548336859
2003	39.1788814157375
2004	38.1199096557011
2005	37.056373680446
2006	35.995441826156
2007	34.933256725097
2008	33.8738927627022
2009	32.8281981042884
2010	31.9692064177279
2011	31.3418505217323
2012	30.7546491241215
2013	30.1594621624625
2014	29.5859001311173
2015	29.0597392813031
2016	28.6145368552162
2017	28.2398212951851
2018	27.8648602988613
2019	27.4617199610766
2020	27.0430282850474
2021	26.613513628439
2022	26.1791504502659
2023	25.7380378898981