Year	% of total population
1960	86.55743505246103
1961	86.20035993362679
1962	85.82680688111155
1963	85.43103638459289
1964	85.01776849404594
1965	84.59066002164892
1966	84.17933714095783
1967	83.76041937275325
1968	83.31655419693533
1969	82.85853504761035
1970	82.40451330153839
1971	81.89684349421199
1972	81.36425427400212
1973	80.82609594617085
1974	80.30208419568987
1975	79.77048754176946
1976	79.2288018070226
1977	78.70090254560881
1978	78.17337522856054
1979	77.70420908484344
1980	77.24351239153076
1981	76.7143763232346
1982	76.18831787853875
1983	75.65377810052544
1984	75.07756916045412
1985	74.48273822155913
1986	73.87904221723745
1987	73.26949346030256
1988	72.68973812413628
1989	72.14363680805694
1990	71.62784079501444
1991	71.22549207360728
1992	70.81753002225165
1993	70.38873133676614
1994	70.02239928694135
1995	69.69282132163266
1996	69.34005739270066
1997	68.9659443171289
1998	68.59280046843634
1999	68.22324631437789
2000	67.84261001180045
2001	67.3810317905447
2002	66.93353876477147
2003	66.47153728079886
2004	65.9887052970666
2005	65.48395625236722
2006	65.02090700144214
2007	64.62428531421925
2008	64.10776591365895
2009	63.572520393561156
2010	63.02943179377258
2011	62.478224893333454
2012	61.92978472270518
2013	61.37484709347654
2014	60.82676626784161
2015	60.27828177356287
2016	59.726462563564844
2017	59.17135549500245
2018	58.61731688867853
2019	58.06896806418659
2020	57.52082614240529
2021	56.9686203484179
2022	56.411589187282786
2023	55.85162447755223