Year	% of total population
1960	40.2479559604248
1961	41.6058053664223
1962	42.7752766396713
1963	43.7271093197257
1964	44.4311731985252
1965	44.910106981261
1966	45.2696719635077
1967	45.4832098753609
1968	45.5616935429276
1969	45.5417410669641
1970	45.4618564065247
1971	45.3235313083996
1972	45.1020936901915
1973	44.8010014990143
1974	44.4452421466017
1975	44.0581397853322
1976	43.6634573193853
1977	43.2856649050367
1978	42.9644059868301
1979	42.7423139294871
1980	42.6220567899129
1981	42.571534665066
1982	42.5626701952928
1983	42.5903930067509
1984	42.6527447504703
1985	42.6693849158413
1986	42.686057777775
1987	42.7862398379716
1988	42.9315123206882
1989	43.1344226707608
1990	43.4526784142929
1991	43.778073397872
1992	44.2023210782136
1993	44.7380642800809
1994	45.0619379677007
1995	45.1788850664103
1996	45.1463355048658
1997	44.7824313231084
1998	44.120533630717
1999	43.3108096700503
2000	42.5352564646716
2001	41.8405132934195
2002	41.0906737634376
2003	40.3359974306449
2004	39.5990107045752
2005	38.8837900551792
2006	38.2366168812187
2007	37.7205996251873
2008	37.3378944757187
2009	37.0285258434115
2010	36.7753488538995
2011	36.6389636033927
2012	36.5967996884011
2013	36.5725445503383
2014	36.5912222261188
2015	36.6280045459545
2016	36.6264165600373
2017	36.5906319236123
2018	36.5546457613318
2019	36.5264421570819
2020	36.4944090597637
2021	36.4126994448447
2022	36.269569518568
2023	36.0716960533415