Year	% of total population
1960	4.095930799606884
1961	4.284501610175301
1962	4.5527040243416526
1963	4.840131668353326
1964	5.15183761401636
1965	5.492957304541276
1966	5.87104573595777
1967	6.286414610168369
1968	6.731924577251331
1969	7.184164458926932
1970	7.6160505497785955
1971	7.909764031335999
1972	8.076539291291336
1973	8.220463559346511
1974	8.36312387780129
1975	8.510286144194993
1976	8.665351090854546
1977	8.818174375440552
1978	8.9670453536535
1979	9.115070609798218
1980	9.259839710388189
1981	9.400846230248264
1982	9.54106960516598
1983	9.681495815271518
1984	10.023932951967113
1985	10.3770968729029
1986	10.747825275676709
1987	11.145957048854331
1988	11.568253226573948
1989	12.003691071059237
1990	12.459997507743495
1991	12.936110659759088
1992	13.442106147259606
1993	13.977368163107528
1994	14.414823439345817
1995	14.852418224424182
1996	15.298424914918987
1997	15.754313756317098
1998	16.23428827117882
1999	16.737693542329087
2000	17.255150065920212
2001	17.778222311758633
2002	18.309588659921
2003	18.84210196430855
2004	19.37374557997989
2005	19.906730562745004
2006	20.449119497042503
2007	20.996295305084477
2008	21.55322710872939
2009	22.116114708254617
2010	22.68628672474559
2011	23.26557638488896
2012	23.861741002526095
2013	24.47462619232599
2014	25.02680868348104
2015	24.968983445192734
2016	24.920295995718845
2017	24.87814077488061
2018	24.858719991757887
2019	24.86504742534275
2020	24.918262825304147
2021	25.01719377132484
2022	25.15524254736444
2023	25.33062052160764