Year	% of total population
1960	49.9054817959888
1961	49.9243924085559
1962	49.9432462413798
1963	49.9617029779907
1964	49.9797136293735
1965	49.9973114003557
1966	50.0143474215855
1967	50.0308388557565
1968	50.0467672091571
1969	50.0619722706397
1970	50.0761071997654
1971	50.0891993379252
1972	50.1013219297695
1973	50.1123214645225
1974	50.1219411085579
1975	50.1304289208822
1976	50.1378972992665
1977	50.1441319147717
1978	50.1491173409945
1979	50.1530200732346
1980	50.1559825684978
1981	50.1581064200114
1982	50.1593739220753
1983	50.1599556974049
1984	50.1598973022103
1985	50.1590339896725
1986	50.156963638724
1987	50.1532061254494
1988	50.1479570077117
1989	50.1418240707686
1990	50.1353274697012
1991	50.1287772853395
1992	50.1223266303361
1993	50.1160127403376
1994	50.1099434490941
1995	50.1041500618898
1996	50.0987709699886
1997	50.0938617955965
1998	50.0892358520825
1999	50.0846516359994
2000	50.0802478468511
2001	50.0762795062964
2002	50.0727471841595
2003	50.0693622462482
2004	50.0658128397359
2005	50.061692030479
2006	50.0565312692978
2007	50.0501865198411
2008	50.0427301285932
2009	50.0347288968705
2010	50.027082137364
2011	50.0209480048469
2012	50.016891757707
2013	50.014631441897
2014	50.013898990061
2015	50.0140529375888
2016	50.014194397243
2017	50.0133437591933
2018	50.0106666372036
2019	50.0051718948739
2020	49.9764080075754
2021	49.9323874715083
2022	49.9116826842953
2023	49.9080618195756