Year	% of total population
1960	60.4926084180541
1961	59.9979687750683
1962	59.4710866613519
1963	58.9475711900764
1964	58.4579627373201
1965	57.9886735170481
1966	57.1879528917428
1967	56.1200336422573
1968	55.1493355767071
1969	54.2930470516907
1970	53.5658319900945
1971	53.2190992787056
1972	53.2346486128309
1973	53.3376986614997
1974	53.5094708402156
1975	53.7793163038088
1976	54.3799337862517
1977	55.1981799595101
1978	55.9299933638007
1979	56.5510675750885
1980	57.0242055868315
1981	57.5919731803628
1982	58.2859676899259
1983	58.9194989942559
1984	59.2919405111175
1985	59.5715136515835
1986	59.5501433239833
1987	59.1971742909488
1988	59.0333573961101
1989	59.0963718312969
1990	59.6384342699355
1991	61.0319895483389
1992	61.9563466867576
1993	63.7363411543412
1994	65.5352244157294
1995	66.2879560228042
1996	66.7126944917785
1997	67.31729803854
1998	68.0674476496728
1999	68.8988706351832
2000	69.7618715991486
2001	70.6130119688262
2002	71.4177351951094
2003	72.1615593769421
2004	72.8561043389991
2005	73.4377589718183
2006	73.8570429409383
2007	74.1962861356591
2008	74.5247376345777
2009	74.8744611972599
2010	75.1731229295534
2011	75.4508879232922
2012	75.7512306818085
2013	76.0234969359811
2014	75.976181307686
2015	75.9439799444476
2016	75.8481603029581
2017	75.6557879097565
2018	75.7125909924417
2019	75.6387241492788
2020	75.0417875975718
2021	74.4222154982196
2022	74.3539922597838
2023	74.4284452301944