Year	% of total population
1960	5.774498052689045
1961	5.9517705349041945
1962	6.133479073616477
1963	6.3135879439161675
1964	6.489153684171669
1965	6.664481899198756
1966	6.8497445751857144
1967	7.046707378500321
1968	7.253211506549393
1969	7.4682725196966135
1970	7.6760936224280725
1971	7.866385498346674
1972	8.073674324122804
1973	8.277335744883054
1974	8.474900062520362
1975	8.67621590380215
1976	8.87522746626815
1977	9.074667355903463
1978	9.265493754129519
1979	9.421711742897575
1980	9.59628398592129
1981	9.765877183545763
1982	9.931609497322222
1983	10.133146076449423
1984	10.327458244542887
1985	10.517835120928808
1986	10.710972952584273
1987	10.904037397296127
1988	11.105394666357432
1989	11.304209801103735
1990	11.51687210590476
1991	11.741546627654191
1992	11.880907770795805
1993	12.009916403998488
1994	12.13399377273671
1995	12.267072457352807
1996	12.479410816311296
1997	12.623311441281206
1998	12.76626039232325
1999	12.904421879306522
2000	13.057165686229812
2001	13.210354014707844
2002	13.356469657743844
2003	13.497685113820738
2004	13.6421819182058
2005	13.754072458287913
2006	13.865964015251198
2007	13.910707543917436
2008	14.032791719656418
2009	14.169650411574983
2010	14.308113228232388
2011	14.45083334115839
2012	14.595471258071921
2013	14.742112265505263
2014	14.88616086945455
2015	15.011299242473642
2016	15.14655353495118
2017	15.29011797433553
2018	15.429904644680544
2019	15.554468118829709
2020	15.688108890893451
2021	15.836758004783906
2022	16.00107152615749
2023	16.173447070048358