Year	% of total population
1960	11.512950247548138
1961	11.518240580355746
1962	11.505990890686242
1963	11.498162559124465
1964	11.499006932361237
1965	11.50510320928844
1966	11.524127296329956
1967	11.556110706092607
1968	11.599071179938909
1969	11.654277232417426
1970	11.678443433679163
1971	11.659603948870343
1972	11.647057363709887
1973	11.632822517792285
1974	11.618129502736295
1975	11.602258098203535
1976	11.585566542956766
1977	11.568813910185167
1978	11.56342015877459
1979	11.511824063219866
1980	11.399644412483276
1981	11.29459129919718
1982	11.18938184807121
1983	11.080358216709904
1984	10.963954138950404
1985	10.838743365586199
1986	10.706245385239058
1987	10.571657116857478
1988	10.443617733607319
1989	10.3215645183964
1990	10.24067771818625
1991	10.088044100801833
1992	9.857555130775328
1993	9.639258043934008
1994	9.455002904768289
1995	9.28876892692561
1996	9.115814854682453
1997	8.958059745637385
1998	8.836904910398736
1999	8.763851898164049
2000	8.659502482718333
2001	8.56104580713775
2002	8.487926289527676
2003	8.420492301795433
2004	8.354464736210266
2005	8.288080406619024
2006	8.217587043311656
2007	8.131148578234331
2008	8.031044435003002
2009	7.989163551502841
2010	7.857890093269473
2011	7.739514100492853
2012	7.715988513661019
2013	7.685383821817797
2014	7.645461136560925
2015	7.601382157200414
2016	7.558090172350453
2017	7.519204287928469
2018	7.476518762839049
2019	7.416045395595937
2020	7.353871591096647
2021	7.289565259730031
2022	7.2199023229849555
2023	7.1493408143116275