Year	% of total population
1960	57.4379831825958
1961	57.3858978235907
1962	57.2710471749704
1963	56.9933145223315
1964	56.5859473916153
1965	56.186698188362
1966	55.8102902124295
1967	55.449373270954
1968	55.1064722113255
1969	54.7817235618062
1970	54.4807638230786
1971	54.1855582359066
1972	53.8968815129254
1973	53.6227930758311
1974	53.3634389755906
1975	53.1116474214274
1976	52.863843610075
1977	52.6325595501272
1978	52.3942388156976
1979	52.1405713548353
1980	51.8976040054427
1981	51.66078363015
1982	51.4285456738402
1983	51.2214480485406
1984	51.0192703944384
1985	50.7916880478199
1986	50.5369691637019
1987	50.2757470023847
1988	50.0430906098598
1989	49.8540426173186
1990	49.7078830695601
1991	49.5684439529725
1992	49.4604656638421
1993	49.4336628531795
1994	49.4762396276539
1995	49.5590013292911
1996	49.6449298316797
1997	49.7494942120348
1998	49.9386442161784
1999	50.2009051156305
2000	50.4879243160417
2001	50.7912458235422
2002	51.0933942271179
2003	51.3611700344213
2004	51.5839124222807
2005	51.7581598957692
2006	51.8593968954771
2007	51.8758156257806
2008	51.8226710703409
2009	51.7458362597138
2010	51.67321830048
2011	51.6233717246911
2012	51.6174978193682
2013	51.647482629328
2014	51.7216536136733
2015	51.8415156047893
2016	52.0072321866859
2017	52.2154813717793
2018	52.4448206352825
2019	52.6962329772864
2020	53.0010650187389
2021	53.361833809348
2022	53.7435913810862
2023	54.1423934858354