Year	% of total population
1960	66.2864594963811
1961	66.0334581262573
1962	65.9785740696008
1963	66.0136573944815
1964	66.0944592408877
1965	66.1571868198551
1966	66.2453055885705
1967	66.3134532887336
1968	66.2534434745525
1969	66.1965116141125
1970	66.1634479907841
1971	66.063824834848
1972	65.9489284913842
1973	65.9184190289163
1974	65.9524671114362
1975	66.0019051370937
1976	66.0269759049155
1977	65.9894708073521
1978	65.929065384013
1979	65.8717105543131
1980	65.8533307424662
1981	65.9212723920315
1982	66.0481926260588
1983	66.1358551942318
1984	66.2444496624287
1985	66.432786597299
1986	66.5257616585168
1987	66.4923333282721
1988	66.3803406801549
1989	66.2216227505863
1990	66.111586490895
1991	66.0568896678455
1992	65.968430547887
1993	65.8685932364664
1994	65.8156962636043
1995	65.7879919464473
1996	65.8188294172179
1997	65.9237490239115
1998	66.1878125339927
1999	66.8342003928041
2000	67.3822990078221
2001	67.5697201970181
2002	67.7175110930657
2003	67.8715115814602
2004	68.0135972588232
2005	68.0830716444397
2006	67.9726028516172
2007	67.7838866844028
2008	67.6763317579287
2009	67.5330626056769
2010	67.3217752443608
2011	66.994317586854
2012	66.5450954953647
2013	66.0621184743488
2014	65.5517273907096
2015	65.0959014769257
2016	64.6624371972425
2017	64.2547883436549
2018	63.9560639036114
2019	63.6632245409609
2020	63.3530257761891
2021	63.1592435017359
2022	63.0146252588491
2023	62.8301085868962