Year	% of total population
1960	41.32237291972252
1961	41.417193573132614
1962	41.52903394312409
1963	41.69611762869418
1964	41.944426307697924
1965	42.16857640094625
1966	42.33152086938687
1967	42.49222206683702
1968	42.64769205806822
1969	42.79977778109452
1970	42.94365752942321
1971	43.09225880113978
1972	43.24799014847185
1973	43.39820083298574
1974	43.55005147837307
1975	43.70721806194746
1976	43.85225338196478
1977	43.98800263003685
1978	44.14046834667203
1979	44.304044997676456
1980	44.48575601447262
1981	44.677515460225116
1982	44.853031083313724
1983	45.038318242941834
1984	45.24182837540497
1985	45.42019709372408
1986	45.54959818730212
1987	45.61991992347337
1988	45.601694187835776
1989	45.544174207289736
1990	45.48873287150131
1991	45.40731784461432
1992	45.294484701693726
1993	45.15737433276683
1994	45.01371825614862
1995	44.861427310477644
1996	44.71264290112607
1997	44.578950826928654
1998	44.44040866039558
1999	44.32554835227216
2000	44.25687103068751
2001	44.226759078880534
2002	44.20810875133086
2003	44.18133404946913
2004	44.15609016631713
2005	44.14728892751244
2006	44.15773439366461
2007	44.17092330935006
2008	44.183183116193646
2009	44.19453635608339
2010	44.20731163473574
2011	44.22727351426405
2012	44.25564252420012
2013	44.26667666498676
2014	44.23152668380949
2015	44.15516281746215
2016	44.04202190322826
2017	43.893535109028825
2018	43.721213818640145
2019	43.53141053166253
2020	43.319346566006075
2021	43.09502699024354
2022	42.85234486549222
2023	42.575675868282126