Year	% of total population
1960	37.365608240959986
1961	37.442450648635585
1962	37.53958134152354
1963	37.75100906252541
1964	37.924127501970666
1965	37.99586229555169
1966	38.006132660539194
1967	37.9359909089703
1968	37.859648169143846
1969	37.79001552985324
1970	37.68389748992742
1971	37.568220199716166
1972	37.41757311240631
1973	37.25086137277071
1974	37.130060265826415
1975	37.01011933987682
1976	36.87433656631032
1977	36.62217883046742
1978	36.18930109628614
1979	35.75220390708815
1980	35.38726351936588
1981	35.06711434741958
1982	34.8111983841827
1983	34.535278844749975
1984	34.22608467422047
1985	33.93412670698622
1986	33.66634729523227
1987	33.445315376545366
1988	33.24174231925093
1989	33.05617748688039
1990	32.91668162254483
1991	32.76369647780418
1992	32.59620373812859
1993	32.42445915622157
1994	32.20566721136178
1995	31.938400738397704
1996	31.638803196361394
1997	31.296460223699754
1998	30.939381580758752
1999	30.585507329913273
2000	30.220672128371483
2001	29.836518859191255
2002	29.434511688242374
2003	29.042571460876967
2004	28.66122438933193
2005	28.278262898669592
2006	27.939284059969037
2007	27.670070255240113
2008	27.44749639973162
2009	27.25761157272298
2010	27.085961459623867
2011	26.935768568090065
2012	26.809966225525862
2013	26.700405755466175
2014	26.591331815696545
2015	26.46917676035287
2016	26.33827628689017
2017	26.21099001180987
2018	26.065399058851607
2019	25.893258605041247
2020	25.698201981482576
2021	25.494819211241136
2022	25.27767509631814
2023	25.019820523098613