Year	% of total population
1960	49.0410483377909
1961	49.0516971118955
1962	49.0800070690396
1963	49.1036958480149
1964	49.1254366920317
1965	49.1484591198416
1966	49.1913802302163
1967	49.2406459178678
1968	49.3163233760993
1969	49.3816713846182
1970	49.3871217430916
1971	49.295154556976
1972	49.1359035238081
1973	48.9969374335428
1974	48.8617882831722
1975	48.7501761247218
1976	48.7980604526847
1977	48.9484545080063
1978	49.0700319581343
1979	49.1898160475968
1980	49.2699358201463
1981	49.3099520947069
1982	49.3456592842423
1983	49.3790842063797
1984	49.41067746731
1985	49.4403076090082
1986	49.4674376544148
1987	49.4921771158845
1988	49.5155280952653
1989	49.5376195140612
1990	49.5585075232297
1991	49.5784651850832
1992	49.5982250162636
1993	49.6179245157883
1994	49.6367988164001
1995	49.6550066444102
1996	49.6711170202515
1997	49.6840892109274
1998	49.6940452172934
1999	49.7000812605844
2000	49.7048619069539
2001	49.7105683736441
2002	49.7170718552064
2003	49.7250054574486
2004	49.7333727225352
2005	49.7417127776456
2006	49.7497583846562
2007	49.7571459533429
2008	49.7642929209666
2009	49.7713755083565
2010	49.7779797335473
2011	49.7851614936983
2012	49.7929279979889
2013	49.7995843795527
2014	49.805522380644
2015	49.812319933293
2016	49.8213094509199
2017	49.8306160376074
2018	49.8392849673027
2019	49.848939319432
2020	49.8630065802958
2021	49.8795310960712
2022	49.8924218831081
2023	49.9030317108312