Year	% of total population
1960	54.28298832138915
1961	54.25141978738607
1962	54.212346559493135
1963	54.123139644559565
1964	53.99108063594412
1965	53.853849234606265
1966	53.68249919093558
1967	53.46635554884689
1968	53.25788965544108
1969	53.069435201305886
1970	52.89236373944493
1971	52.710886845478385
1972	52.52952892291629
1973	52.39937765122119
1974	52.31985404219101
1975	52.24930692430312
1976	52.167912710947085
1977	52.092659935682356
1978	52.061652673084325
1979	52.04494658662024
1980	52.006601439118434
1981	51.97140766587721
1982	51.986757554232845
1983	52.034759139912076
1984	52.070759886257754
1985	52.08391352628606
1986	52.079479399909445
1987	52.05768025785935
1988	52.01934856877837
1989	51.961649701682575
1990	51.89134368890038
1991	51.83551137843394
1992	51.78357985623483
1993	51.698283397352256
1994	51.709944019364606
1995	51.754441975726756
1996	51.67130287487645
1997	51.57874642063875
1998	51.57113330646515
1999	51.616387522436106
2000	51.67556767490395
2001	51.75703947480133
2002	51.840188177211694
2003	51.92789160402368
2004	52.036305627670934
2005	52.163025956614
2006	52.31829457566006
2007	52.45944759503117
2008	52.57583043087691
2009	52.70098480665023
2010	52.834272483867935
2011	52.98810399754598
2012	53.11294540522443
2013	53.17593972829751
2014	53.25005048351555
2015	53.366570036976654
2016	53.54276666021846
2017	53.75862953289224
2018	53.99141939988302
2019	54.24753918915833
2020	54.5103194170577
2021	54.769941865203684
2022	55.0368222386215
2023	55.31726910648939