Year	% of total population
1960	52.82741577847585
1961	52.76049027569564
1962	52.68267583546949
1963	52.58650966085181
1964	52.48552001462708
1965	52.37662818899367
1966	52.25776181649937
1967	52.14215374351574
1968	52.0315761082849
1969	51.921898259595125
1970	51.801442268309955
1971	51.67923739734739
1972	51.56387569206148
1973	51.48046458181355
1974	51.44197331353777
1975	51.41422138232168
1976	51.36999407178394
1977	51.34133418062884
1978	51.35254397412942
1979	51.36194430246192
1980	51.38687508411461
1981	51.4008466283297
1982	51.395532582311915
1983	51.42812475598129
1984	51.49157251283195
1985	51.55284179811829
1986	51.59710321936597
1987	51.60095368930461
1988	51.573896555160104
1989	51.55223381236654
1990	51.53692860275928
1991	51.51864685554643
1992	51.49266824153134
1993	51.46070313203476
1994	51.54441724798837
1995	51.67427616877182
1996	51.71219425225262
1997	51.770112526495026
1998	51.913191765510085
1999	52.10097422760522
2000	52.29256573641399
2001	52.49528941283631
2002	52.69527811332973
2003	52.881279501200126
2004	53.05303164130237
2005	53.201402549089366
2006	53.33356692314177
2007	53.454887618547495
2008	53.56174799058203
2009	53.66134077188075
2010	53.76713151105307
2011	53.880073397415636
2012	53.99082736064684
2013	54.104827208519616
2014	54.23439635320044
2015	54.390357909375275
2016	54.53068556477471
2017	54.66607764665735
2018	54.83427320296611
2019	55.02154507871698
2020	55.23520013142068
2021	55.471931993451406
2022	55.72199641413506
2023	55.98456890058234