Year	% of total population
1960	47.1148301874205
1961	47.2121347561316
1962	47.3907821783966
1963	47.6054786857448
1964	47.8177541229132
1965	48.0279001949573
1966	48.2401541401375
1967	48.4500168810043
1968	48.6537148117354
1969	48.8500093349227
1970	48.9918610884837
1971	48.9708863562801
1972	48.7834295763734
1973	48.541567092593
1974	48.3011913206622
1975	48.0574948665298
1976	47.8106932886015
1977	47.5676252226162
1978	47.3291945393586
1979	47.0950174365834
1980	46.9048084379354
1981	46.9033124607473
1982	47.0423113579044
1983	47.1736194409782
1984	47.2953113961481
1985	47.4108051807434
1986	47.5218650423649
1987	47.6273091724545
1988	47.7260052146883
1989	47.8196286472149
1990	47.9011858032768
1991	47.9728805192087
1992	48.0475039730643
1993	48.1226499620931
1994	48.1921051648803
1995	48.2546635487211
1996	48.3113107383013
1997	48.3615617177595
1998	48.4087284820565
1999	48.4546079305736
2000	48.5581046195207
2001	48.7170517514454
2002	48.869156923363
2003	49.0134120965071
2004	49.1498880972003
2005	49.2815937438493
2006	49.4090810689459
2007	49.5303457471574
2008	49.6474871457236
2009	49.7633999045842
2010	49.8058371641482
2011	49.7826626807274
2012	49.7740997707281
2013	49.767937178205
2014	49.755711659183
2015	49.7453664296606
2016	49.7383567875013
2017	49.735553691097
2018	49.734594766825
2019	49.7329428279292
2020	49.7296787038308
2021	49.7247097844113
2022	49.7195477021794
2023	49.7168780755059