Year	% of total population
1960	43.2323462253974
1961	43.4882928094506
1962	43.7751193001697
1963	44.0736907832276
1964	44.3757932416387
1965	44.6975569244325
1966	45.0329398396955
1967	45.3780535742194
1968	45.7221052924056
1969	46.0596020769074
1970	46.3740420829635
1971	46.6424902375736
1972	46.7529398245681
1973	46.6811569064311
1974	46.5135435483502
1975	46.2532322858568
1976	45.9090977531281
1977	45.493770162313
1978	45.0228243226077
1979	44.5153722901001
1980	43.9930681257464
1981	43.6473309943742
1982	43.4860869910596
1983	43.3537928565969
1984	43.2499966661382
1985	43.1671761546291
1986	43.0993103440445
1987	43.028380486473
1988	42.9532991036378
1989	42.8681319790697
1990	42.7106531805854
1991	42.4787875606475
1992	42.2248134266344
1993	41.9709741509467
1994	41.7243909536899
1995	41.4788911408654
1996	41.2413395238863
1997	41.0157044568031
1998	40.7895748233693
1999	40.5646609493613
2000	40.3445529222051
2001	40.1138793108138
2002	39.8718832921857
2003	39.6279498537181
2004	39.3789628304736
2005	39.1272612958233
2006	38.880805519499
2007	38.6356206807145
2008	38.3829825983864
2009	38.1249303988054
2010	37.8716026030463
2011	37.621513591576
2012	37.3649372176945
2013	37.099950070504
2014	36.8240980521028
2015	36.5350659869291
2016	36.2330046640869
2017	35.9156145677863
2018	35.5862495360012
2019	35.2525136139845
2020	34.9169097525652
2021	34.5827407118614
2022	34.2465261805913
2023	33.8983742436602