Year	% of total population
1960	48.442287917876
1961	48.5199920663116
1962	48.5981424222596
1963	48.671692680935
1964	48.7411185750737
1965	48.8109293337398
1966	48.8791066399149
1967	48.9415048412756
1968	49.0004084677133
1969	49.0554595400648
1970	49.1080569470853
1971	49.1601779125829
1972	49.2115912035599
1973	49.265322482699
1974	49.31970755061
1975	49.3732163159593
1976	49.4246228017577
1977	49.4724339178842
1978	49.5186255214192
1979	49.5627488486177
1980	49.6072804076521
1981	49.6532612553581
1982	49.6995066159095
1983	49.7462376092799
1984	49.7927745498502
1985	49.8391951681211
1986	49.8860506956678
1987	49.9312266966222
1988	49.9726633043586
1989	50.0106899988867
1990	50.0473878838239
1991	50.0832625362147
1992	50.1162119678872
1993	50.1323286629969
1994	50.1313642900789
1995	50.1244060788825
1996	50.1106114457192
1997	50.0925670414259
1998	50.072418942749
1999	50.0471330229176
2000	50.0169063443886
2001	49.9912093596259
2002	49.971754206473
2003	49.9537788760431
2004	49.9368037024542
2005	49.9262778453495
2006	49.9248203064759
2007	49.9272344217509
2008	49.9328916669462
2009	49.9424166040125
2010	49.9549996580372
2011	49.969112921027
2012	49.98312547404
2013	49.994506599523
2014	50.003573476423
2015	50.013869405036
2016	50.022420345618
2017	50.0247106948601
2018	50.0233192569296
2019	50.020753891476
2020	50.0244939429688
2021	50.0327700268847
2022	50.0406351548179
2023	50.0488483316888