Year	% of total population
1960	52.6861468404046
1961	52.2732048493466
1962	51.9700951778474
1963	51.7478905240247
1964	51.7386343365698
1965	51.9037499696964
1966	52.042515955541
1967	52.1368440388689
1968	52.214013301395
1969	52.3009820814233
1970	52.4242114285544
1971	52.5801716268529
1972	52.7842898547914
1973	53.0428268145483
1974	53.3101217242514
1975	53.5468244787168
1976	53.6564731373142
1977	53.672711936533
1978	53.6590234597142
1979	53.5632053132195
1980	53.4062022735875
1981	53.7583328337606
1982	54.0061724662312
1983	53.7015825990948
1984	53.4252267543226
1985	53.1716099512674
1986	52.9501175724682
1987	52.7727115606138
1988	52.6466787503503
1989	52.6243572155896
1990	53.1376387078173
1991	53.778493077955
1992	54.0942242890994
1993	54.1076308881051
1994	54.3929480183114
1995	55.3370107635341
1996	56.5025465727154
1997	57.9161605256805
1998	59.5156071276752
1999	61.1564005499859
2000	62.8006908143501
2001	64.4039939436835
2002	65.7571938343743
2003	67.03010339285
2004	68.34936720221
2005	69.5499069865522
2006	70.6281719804052
2007	71.5225351265788
2008	72.1804249570744
2009	72.573208116561
2010	72.7176253622692
2011	72.6413548930392
2012	72.3799468036314
2013	72.0114820585586
2014	71.4311320303557
2015	70.7435443214451
2016	70.2092186250103
2017	69.7720473633321
2018	69.3751773730721
2019	69.0886950011969
2020	68.8998686765412
2021	68.8138199108639
2022	68.811552539978
2023	68.8121817505113