Year	% of total population
1960	54.20624694936116
1961	54.061455406189886
1962	53.91450132891108
1963	53.74636062352762
1964	53.563384603458076
1965	53.4055518046966
1966	53.274385610352404
1967	53.15089254698565
1968	53.03630948476533
1969	52.92352513861584
1970	52.80938364710206
1971	52.68378821277691
1972	52.55443325343361
1973	52.45497560230409
1974	52.392962441496415
1975	52.36136368810839
1976	52.33864775921547
1977	52.3143657314656
1978	52.29192249886521
1979	52.25998586236554
1980	52.202326195855015
1981	52.14167921043457
1982	52.11344224249844
1983	52.116778355192054
1984	52.12720691796134
1985	52.137683542266686
1986	52.16573402663267
1987	52.21362933087447
1988	52.286025259210454
1989	52.36183408047429
1990	52.43378646603384
1991	52.53277336228926
1992	52.65642739450463
1993	52.7753382467463
1994	52.947565858100184
1995	53.14571725730066
1996	53.29389325514742
1997	53.44370954912259
1998	53.642588544354474
1999	53.85619607232645
2000	54.0552211099637
2001	54.24898004555663
2002	54.426873324394435
2003	54.60093136626879
2004	54.78548906249207
2005	54.97566837830108
2006	55.16114997400887
2007	55.32933367924224
2008	55.47820105710299
2009	55.63471931514848
2010	55.80965755379736
2011	55.993447686041996
2012	56.15997963321636
2013	56.2993126742275
2014	56.44837278269206
2015	56.618574046360145
2016	56.819528560539084
2017	57.04115660564766
2018	57.266279183022576
2019	57.495148163335934
2020	57.735599293353665
2021	57.979239275870356
2022	58.209814134871934
2023	58.43442722221983
