Year	% of total population
1960	39.55432201388596
1961	39.70827355932154
1962	39.79981635894381
1963	39.83126961886714
1964	39.80743326596485
1965	39.779348319787054
1966	39.75309943018886
1967	39.697203753564075
1968	39.6077161664811
1969	39.473768330602084
1970	39.26697501795679
1971	38.99186030916726
1972	38.67013785988094
1973	38.321689458931594
1974	37.98225666024299
1975	37.65299255679635
1976	37.33440242210161
1977	37.02065666077867
1978	36.71973143439956
1979	36.445810534913164
1980	36.20368947522197
1981	35.98569910122864
1982	35.79130345219519
1983	35.64085794657032
1984	35.52395006181546
1985	35.43375069069317
1986	35.370247511436574
1987	35.328723884651026
1988	35.29731391201901
1989	35.29285161371765
1990	35.29473320384809
1991	35.22725485891558
1992	35.0884122260211
1993	34.94452296504592
1994	34.82885256491294
1995	34.6350147860565
1996	34.33548950510628
1997	33.977098417015
1998	33.57183179797374
1999	33.12133805686836
2000	32.6847651990423
2001	32.29492944314752
2002	31.914730747895394
2003	31.50534840774951
2004	31.045527596903497
2005	30.567032400721434
2006	30.08997088851923
2007	29.617297172753503
2008	29.164092899337486
2009	28.74140293512752
2010	28.402870016292994
2011	28.14311617221396
2012	27.87182243911619
2013	27.61380404455701
2014	27.385133040768324
2015	27.129450486786883
2016	26.859757434851147
2017	26.585269140594054
2018	26.297290212608196
2019	26.039526387017542
2020	25.826925299437093
2021	25.614072368785727
2022	25.37113631771602
2023	25.108362252730416