Year	% of total population
1960	45.8253207598399
1961	46.2241222063023
1962	46.4914962582671
1963	46.6329119707735
1964	46.6741795567527
1965	46.5469866074375
1966	46.2735675810489
1967	45.936432839363
1968	45.5437758392263
1969	45.1107737034874
1970	44.6344630014356
1971	44.1251916478632
1972	43.581675117406
1973	43.0246277026944
1974	42.4696522430552
1975	41.8980780339246
1976	41.3198508607897
1977	40.7313418403839
1978	40.1525658862497
1979	39.6310317572168
1980	39.1839134744707
1981	38.8275881617831
1982	38.5642339572827
1983	38.3520179513382
1984	38.1494879567253
1985	37.9246942127536
1986	37.6688086567421
1987	37.3840391345331
1988	37.058289281881
1989	36.7095457632038
1990	36.3809395009875
1991	36.1030376943437
1992	35.8638377632983
1993	35.6397903273567
1994	35.4144656744247
1995	35.1760907643723
1996	34.9137192158722
1997	34.6100902023149
1998	34.2562348977848
1999	33.8548279692013
2000	33.5301665057757
2001	33.2522098901364
2002	32.8858075476614
2003	32.4320204625724
2004	31.9023218776496
2005	31.3141559855106
2006	30.6796287794075
2007	30.0139298166749
2008	29.3080317190799
2009	28.5555259124894
2010	27.8252484501648
2011	27.1862556273301
2012	26.6237143993393
2013	26.1058810480206
2014	25.6237600962555
2015	25.1766686115418
2016	24.7486187615732
2017	24.3406045808509
2018	23.9701114884636
2019	23.6196344780249
2020	23.2770892451694
2021	22.9615864848004
2022	22.6728586823561
2023	22.4177955770468