Year	% of total population
1960	39.66805183831727
1961	39.72892097224365
1962	39.87102078554019
1963	40.19289342160057
1964	40.42685356221461
1965	40.48241396076059
1966	40.4692884874856
1967	40.346176409498646
1968	40.201503071453025
1969	40.07900161193742
1970	39.91033472146548
1971	39.7427323258188
1972	39.525330660153884
1973	39.30332055601974
1974	39.1683552018273
1975	39.049770273145455
1976	38.91838461330149
1977	38.61180869313716
1978	38.02738113909742
1979	37.43519328968075
1980	36.94705597434092
1981	36.50978501494716
1982	36.15602509577483
1983	35.768425538522486
1984	35.32465409216882
1985	34.91006664827789
1986	34.53780766118303
1987	34.23137487553898
1988	33.94243772648558
1989	33.674453190418795
1990	33.46272198767578
1991	33.24315818602723
1992	32.991581719185234
1993	32.729662141029955
1994	32.4190090026506
1995	32.049347749182104
1996	31.626944333532162
1997	31.138746470078324
1998	30.636970916828503
1999	30.14122734997633
2000	29.628373556140424
2001	29.085618708635995
2002	28.50301544691717
2003	27.931566310479475
2004	27.38419357457048
2005	26.838955670012265
2006	26.361200485612933
2007	25.983147927445835
2008	25.666393528737995
2009	25.394013385100546
2010	25.14636279199031
2011	24.923102654861914
2012	24.73796790190785
2013	24.574513971477764
2014	24.416772737266424
2015	24.24540205958854
2016	24.065538215933934
2017	23.89674078452105
2018	23.70619761431167
2019	23.47641795668588
2020	23.21086840460376
2021	22.92480417649028
2022	22.632297641967853
2023	22.294291217421346