Year	% of total population
1960	54.39685920570522
1961	54.23777583674224
1962	54.06562943014261
1963	53.867134954667044
1964	53.64718833641258
1965	53.44930112273131
1966	53.281588598394954
1967	53.12932655684758
1968	52.99472297718524
1969	52.87209274938596
1970	52.75758506160642
1971	52.63771365364904
1972	52.51886366357456
1973	52.429189081653625
1974	52.37231130788874
1975	52.3436107495279
1976	52.326372130566575
1977	52.31240865776606
1978	52.29888348338021
1979	52.28460263172
1980	52.28787172563972
1981	52.29699883499206
1982	52.29126228650789
1983	52.27184245239205
1984	52.236585210538514
1985	52.21233900522161
1986	52.21529193189505
1987	52.23383149211602
1988	52.272297298460145
1989	52.31831319234843
1990	52.3696998259058
1991	52.44484174922477
1992	52.51623797447089
1993	52.59685507152954
1994	52.74551818477173
1995	52.927577504772856
1996	53.097187167846165
1997	53.27890908435034
1998	53.50314396113287
1999	53.738845693681164
2000	53.973668282393916
2001	54.203608976987404
2002	54.39370802899637
2003	54.567795765751036
2004	54.75518126214087
2005	54.946194781614565
2006	55.13244319196731
2007	55.303536536981696
2008	55.453541027349516
2009	55.60647316251457
2010	55.77290738756373
2011	55.937072631698754
2012	56.07446037209709
2013	56.187019065926066
2014	56.31212770922209
2015	56.455598621937646
2016	56.62225210604132
2017	56.81668458303448
2018	57.02464141890453
2019	57.23752568561095
2020	57.46771488497075
2021	57.71017148165588
2022	57.953689911726585
2023	58.202841092788944