Year	% of total population
1960	54.039537645531
1961	54.0338315838405
1962	54.0239739301978
1963	54.0097827323399
1964	53.9918449165809
1965	53.9736297441668
1966	53.9524119537854
1967	53.9284122768908
1968	53.9045220794588
1969	53.880518350809
1970	53.8542334700389
1971	53.8244897752455
1972	53.7901121499469
1973	53.7490261074969
1974	53.7009581690998
1975	53.6546021985974
1976	53.6107357364951
1977	53.566691352424
1978	53.5248140210275
1979	53.4857186968517
1980	53.4496885388132
1981	53.4187134000018
1982	53.3880015404304
1983	53.3588989813961
1984	53.3300844704353
1985	53.2953394742013
1986	53.2564191649497
1987	53.2123515119006
1988	53.1711160069447
1989	53.1339649453747
1990	53.0915256219646
1991	53.0380030670728
1992	52.9916558803729
1993	52.9493919138596
1994	52.8937266578725
1995	52.8437554567338
1996	52.7956444355158
1997	52.7428604332161
1998	52.6982217205608
1999	52.6649779806308
2000	52.6454561641068
2001	52.636602157695
2002	52.6310612150229
2003	52.6263671896945
2004	52.6333983610061
2005	52.6299913379927
2006	52.6047568852993
2007	52.5779867794492
2008	52.5481963958869
2009	52.5208748278433
2010	52.4987317117731
2011	52.4823330253237
2012	52.4724772617174
2013	52.4658644882381
2014	52.4553550032112
2015	52.4446907110174
2016	52.440201505493
2017	52.4394231609687
2018	52.4483606246919
2019	52.4662718110456
2020	52.4944024776593
2021	52.531989158277
2022	52.3894010258491
2023	52.3048047239598