Year	% of total population
1960	55.38568509315591
1961	55.20592848757975
1962	55.07735771528169
1963	54.9952122619384
1964	54.967772141441635
1965	54.953025643652516
1966	54.940156430207615
1967	54.95521277760577
1968	54.99775781963245
1969	55.08600402299003
1970	55.24525795572764
1971	55.46392792583654
1972	55.72501189128168
1973	56.028465888089784
1974	56.335315645035024
1975	56.634640008620536
1976	56.9344991650368
1977	57.231744926930006
1978	57.518002246184565
1979	57.777540843654926
1980	58.0209236710227
1981	58.26417971238445
1982	58.491905110258074
1983	58.67360175171864
1984	58.820291577872595
1985	58.94062700934307
1986	59.017722597914805
1987	59.06249355974136
1988	59.09747106456444
1989	59.09576932394227
1990	59.08369882856212
1991	59.12853948574473
1992	59.21589878302127
1993	59.30202894001087
1994	59.36246824208465
1995	59.49636292704053
1996	59.743037769346344
1997	60.050091963036905
1998	60.40637285429927
1999	60.797178361936716
2000	61.15698083988121
2001	61.46539043220488
2002	61.76118988096226
2003	62.0855219159599
2004	62.46613827413101
2005	62.874835555127845
2006	63.28831319732702
2007	63.70157891967604
2008	64.09697505220925
2009	64.45299139381544
2010	64.7120663656379
2011	64.87659661030908
2012	65.04096384652884
2013	65.17859474540913
2014	65.26748395674329
2015	65.3846107007367
2016	65.52874095274935
2017	65.67845454532791
2018	65.83465066139097
2019	65.93406105946652
2020	65.97196536952418
2021	66.03184756220922
2022	66.10160294534438
2023	66.14509191711834