Year	% of total population
1960	45.6021504899635
1961	45.5103044675532
1962	45.5513494932532
1963	45.4957972432339
1964	45.2501382193044
1965	44.8696858012095
1966	44.3832262804542
1967	43.8231205929754
1968	43.211397943911
1969	42.5387284453617
1970	41.7891245254425
1971	40.9599459646824
1972	40.0779943702607
1973	39.2002593116454
1974	38.3519629536693
1975	37.5286504888032
1976	36.7272814125395
1977	35.9367920098578
1978	35.1606387747277
1979	34.4252258826671
1980	33.7574421515083
1981	33.1663584436689
1982	32.6360999638784
1983	32.1629920656273
1984	31.7731468534233
1985	31.4550351979832
1986	31.164640815916
1987	30.8644915569272
1988	30.5237710690157
1989	30.1725874938833
1990	29.8362820900861
1991	29.453765170234
1992	29.0255597051615
1993	28.5687561107327
1994	28.0660691916828
1995	27.5350745448551
1996	27.0286266931163
1997	26.5842633820193
1998	26.1786539234065
1999	25.85636624128
2000	25.6135116275149
2001	25.3936676917452
2002	25.200936488024
2003	24.9893748893218
2004	24.7303219821174
2005	24.3997446838276
2006	23.9860780681343
2007	23.5039163093507
2008	22.9764279305956
2009	22.4420887318414
2010	21.9320829404752
2011	21.448055196735
2012	20.9862001350927
2013	20.5511541681339
2014	20.0649168977803
2015	19.5190360305393
2016	18.9918394696389
2017	18.4875270372712
2018	17.9922285442551
2019	17.5000906440666
2020	17.0297285270962
2021	16.6377001719513
2022	16.3080073476166
2023	16.0113320677218