Year	% of total population
1960	6.416190086798348
1961	6.745350878603361
1962	7.092328996914351
1963	7.4563044727886165
1964	7.8408014214432455
1965	8.240687399093968
1966	8.656519229073572
1967	9.090745207435752
1968	9.451621709297354
1969	9.769274287865118
1970	10.102952435902163
1971	10.358340037673045
1972	10.6317045848176
1973	10.910859596449257
1974	11.201699540925272
1975	11.506163156920996
1976	11.831608991513681
1977	12.175542156515476
1978	12.462021157978711
1979	12.706348667091847
1980	13.014107096096003
1981	13.369932306625046
1982	13.743640460070846
1983	14.129068347286303
1984	14.496885727546442
1985	14.777170336503664
1986	15.075562175753909
1987	15.364254124423226
1988	15.65112551530291
1989	15.939210284670102
1990	16.21102425419953
1991	16.484976453167715
1992	16.813511486996006
1993	17.11377604782758
1994	17.15177436106705
1995	17.29033437323578
1996	17.833486469425022
1997	18.451457913777457
1998	18.87481881675433
1999	19.13725083817097
2000	19.397039064065673
2001	19.634413048150467
2002	19.868442749807688
2003	20.12804131531998
2004	20.38473093985806
2005	20.617020470308468
2006	20.83706124683398
2007	21.053537385049072
2008	21.275678266461068
2009	21.501402079892912
2010	21.718141290802794
2011	21.9141230678605
2012	22.110853466449065
2013	22.297703944299172
2014	22.477904688525587
2015	22.67245606310668
2016	22.851230189710236
2017	23.036834366885586
2018	23.263508232624588
2019	23.51513104279327
2020	23.764051809801547
2021	24.020215713334995
2022	24.288084546268824
2023	24.551522191723897