Year	% of total population
1960	29.04234072392533
1961	29.120630300970767
1962	28.98621213641187
1963	28.779352589102235
1964	28.576690156509372
1965	28.393230622397127
1966	28.1353229482088
1967	27.828859474037614
1968	27.562204055314236
1969	27.279384559708856
1970	26.969960231247214
1971	26.649675632516015
1972	26.32787566911599
1973	25.98225081439197
1974	25.627048758068682
1975	25.263259410057636
1976	24.888682719574458
1977	24.51668399000593
1978	24.14589241468705
1979	23.795846423911016
1980	23.491371594311435
1981	23.245054178212943
1982	23.01786766864334
1983	22.78186241160662
1984	22.547679674728574
1985	22.305052538956865
1986	22.059213224787637
1987	21.834124651292992
1988	21.639476694603978
1989	21.44737785367539
1990	21.248291677931118
1991	21.05850898226322
1992	20.876384963115246
1993	20.68571018504392
1994	20.470812574715456
1995	20.23169283315973
1996	19.986967002091976
1997	19.745390304726698
1998	19.496836105323098
1999	19.247056203204313
2000	18.996453580099516
2001	18.73357015751128
2002	18.464301926103136
2003	18.21485200727937
2004	17.986080614764642
2005	17.758067802293393
2006	17.545562984504645
2007	17.371623558849336
2008	17.24318433113391
2009	17.142141885150373
2010	17.051057808289464
2011	16.982273277470732
2012	16.93120501799631
2013	16.887240220727275
2014	16.845112262275748
2015	16.803026530797066
2016	16.765754110729276
2017	16.727487637525797
2018	16.663342964135143
2019	16.575876386260525
2020	16.47835715483973
2021	16.362763601046424
2022	16.20470375329374
2023	16.015043419418326