Year	% of total population
1960	5.86777572049658
1961	5.95414033300211
1962	6.15767890266929
1963	6.40871791872951
1964	6.66641626030068
1965	6.91882733222698
1966	7.16606753340208
1967	7.41450863874971
1968	7.67947607091131
1969	7.97264851504583
1970	8.3026167127546
1971	8.67005424312185
1972	9.06765613503587
1973	9.30898741287328
1974	9.40832735878875
1975	9.53359199668208
1976	9.6212172583638
1977	9.66516558147754
1978	9.69396438118905
1979	9.71120910110846
1980	9.71983321740987
1981	9.72183011481875
1982	9.7029417129758
1983	9.65543756192781
1984	9.601231661082
1985	9.55705077740602
1986	9.52860700616252
1987	9.5209209274173
1988	9.53984279995616
1989	9.58657651662021
1990	9.65821179454661
1991	9.74976237719171
1992	9.83094180750736
1993	9.81318679323063
1994	9.73439328125962
1995	9.68944855594883
1996	9.67998150122975
1997	9.70655859997627
1998	9.76346401941705
1999	9.84328037784457
2000	9.93922935973319
2001	10.0369495144222
2002	10.0906694142555
2003	10.1257559854051
2004	10.1972691250333
2005	10.3029087474562
2006	10.4416839264836
2007	10.6141508353409
2008	10.8162835617316
2009	11.0408524411912
2010	11.2860614746317
2011	11.5404869153933
2012	11.8041358117827
2013	12.0906862524567
2014	12.3954222405363
2015	12.70210059969
2016	12.9978215708315
2017	13.2857628692214
2018	13.5705852575131
2019	13.8533482688706
2020	14.1544454832462
2021	14.480488479233
2022	14.8290615535021
2023	15.2008351466268