Year	% of total population
1960	40.8701864063838
1961	41.5564251751068
1962	42.1739214221416
1963	42.8315068258328
1964	43.1696152686698
1965	43.2250806509579
1966	43.3153916267521
1967	43.2750125475516
1968	43.1218270169774
1969	42.920272436044
1970	42.6605812940463
1971	42.4332410210085
1972	42.1364278095903
1973	41.8059027786943
1974	41.4611645570117
1975	41.0682908286923
1976	40.8126901132035
1977	40.5595039474363
1978	40.1768199644278
1979	39.9317172450435
1980	39.7997182067653
1981	39.7253490827646
1982	39.7309376108453
1983	39.7330986763544
1984	39.6976478629091
1985	39.6297959582513
1986	39.5071111707674
1987	39.3040236002142
1988	39.010680520796
1989	38.6751078059395
1990	38.3297226787422
1991	37.9550751461187
1992	37.5421388670143
1993	37.0668015821619
1994	36.5061409355145
1995	35.8396763746222
1996	35.0530379034572
1997	34.1744825368407
1998	33.2380766216491
1999	32.2919672782836
2000	31.3737065978109
2001	30.4890815894878
2002	29.658110727684
2003	28.8731481324255
2004	28.1156398513877
2005	27.3728039170339
2006	26.6283097763937
2007	25.9139424754778
2008	25.2732199627789
2009	24.7254017115344
2010	24.2880828333162
2011	23.9677461856679
2012	23.7488126646004
2013	23.6084251739618
2014	23.5120771816643
2015	23.4192224930748
2016	23.3101999501678
2017	23.1720862648204
2018	23.0177243888372
2019	22.8589111216817
2020	22.693134535111
2021	22.5451502797145
2022	22.3901369242335
2023	22.197378689537