Year	% of total population
1960	56.39213815728838
1961	56.33187825273669
1962	56.177517715189616
1963	55.84491621187358
1964	55.59738652780017
1965	55.515364427896834
1966	55.49470145888407
1967	55.57972005406068
1968	55.68229334705245
1969	55.76413651311825
1970	55.89478246300972
1971	56.01904149762538
1972	56.185313729584244
1973	56.352682568633874
1974	56.423744374371076
1975	56.47388673516587
1976	56.53911595493872
1977	56.77899760401855
1978	57.29467932130133
1979	57.82148871288919
1980	58.26394774357698
1981	58.68104716255774
1982	59.02858197342669
1983	59.408321579947255
1984	59.83467056403473
1985	60.22618880309249
1986	60.56935266003474
1987	60.83981913110331
1988	61.080786300684196
1989	61.28374185105393
1990	61.42352850270874
1991	61.56758595428289
1992	61.73083058288149
1993	61.88919539957568
1994	62.09523501963334
1995	62.36197173191554
1996	62.683206440405755
1997	63.071279971520184
1998	63.468647807419295
1999	63.86174758499896
2000	64.27086520114413
2001	64.70239297470484
2002	65.16526085933987
2003	65.61664848464757
2004	66.05488865062735
2005	66.499013851102
2006	66.87919833152462
2007	67.17521955139001
2008	67.42988632347391
2009	67.64160638254894
2010	67.81721538796701
2011	67.93976884937203
2012	67.99374630222088
2013	68.0034449282016
2014	67.97202742194091
2015	67.91294298564416
2016	67.84154677041865
2017	67.73423607067421
2018	67.62696535077276
2019	67.54927265294772
2020	67.50948684263383
2021	67.5355217771733
2022	67.58060784711921
2023	67.62234345590568