Year	% of total population
1960	47.418488927076886
1961	47.47275271208303
1962	47.52576194757412
1963	47.57734655823661
1964	47.62517548614519
1965	47.66825881737214
1966	47.70802376744285
1967	47.74265403087445
1968	47.773248218776345
1969	47.79955399639366
1970	47.80847362672584
1971	47.824085420331365
1972	47.86094794620265
1973	47.896355920584455
1974	47.93103343162421
1975	47.962366318706465
1976	47.98301712636196
1977	47.99954758548727
1978	48.01679973439378
1979	48.031041103619046
1980	48.05155285660446
1981	48.07511398100093
1982	48.09531373073877
1983	48.116403057900584
1984	48.13649596764448
1985	48.15636085657613
1986	48.1784290678166
1987	48.20256748332898
1988	48.22635675825555
1989	48.251024865886315
1990	48.27468032199494
1991	48.2923270592428
1992	48.30425474009026
1993	48.30985283264909
1994	48.30988491563044
1995	48.305335757114435
1996	48.3001888158889
1997	48.2967144832461
1998	48.29413316875464
1999	48.29156866477961
2000	48.29112332015274
2001	48.28951832601209
2002	48.28820825972691
2003	48.28962257266487
2004	48.29113650975507
2005	48.29284436856641
2006	48.29609863102851
2007	48.304852310827
2008	48.31849027219711
2009	48.33197348167875
2010	48.34761224333269
2011	48.36513756562263
2012	48.38552199745285
2013	48.40665356309495
2014	48.427102793925684
2015	48.44886038675919
2016	48.470750892033635
2017	48.490575119940836
2018	48.509179594796834
2019	48.523704462402854
2020	48.53105924942682
2021	48.53383717016484
2022	48.54608789735878
2023	48.55020066094192
