Year	% of total population
1960	53.6715786574603
1961	53.5865025212424
1962	53.4985898204921
1963	53.4144307942663
1964	53.3375578596219
1965	53.2619451362096
1966	53.1894383797405
1967	53.1242636904621
1968	53.0607548815325
1969	52.9978261936739
1970	52.9475129955108
1971	52.9136858655691
1972	52.8925670284779
1973	52.8792361830318
1974	52.8711264084187
1975	52.8703165733799
1976	52.8773726317078
1977	52.8871189449916
1978	52.8995630840872
1979	52.9184586725447
1980	52.9381978787949
1981	52.9562694565529
1982	52.9739096437274
1983	52.9856005580407
1984	52.992244164599
1985	52.9966903104182
1986	52.9865281347122
1987	52.9679354663244
1988	52.9564182630412
1989	52.9556236384164
1990	52.9661394134523
1991	52.9901869682411
1992	53.0317655941842
1993	53.0903823331912
1994	53.1644183090852
1995	53.2379998542938
1996	53.3035000867808
1997	53.3612583412361
1998	53.4119945109957
1999	53.4678850306994
2000	53.5321756054847
2001	53.6049966546278
2002	53.680287183653
2003	53.7498180665336
2004	53.8139672546325
2005	53.8787081673723
2006	53.9435053139818
2007	54.0079537516295
2008	54.0522234055684
2009	54.0594042595471
2010	54.0425846418897
2011	54.0048738659745
2012	53.9492991475647
2013	53.8799592759897
2014	53.798406438621
2015	53.7027395896773
2016	53.5997024889959
2017	53.4869252354146
2018	53.3662618631716
2019	53.2521516572174
2020	53.1534071064903
2021	53.0713390374324
2022	53.0315211877581
2023	53.0178210916026