Year	% of total population
1960	1.849786177846101
1961	1.9278690402133278
1962	2.009042688411106
1963	2.0937557395370376
1964	2.181458686240628
1965	2.2721349873261087
1966	2.366905437286741
1967	2.4652271946397484
1968	2.6187434580864233
1969	2.7871436510719874
1970	2.9650044587416597
1971	3.1524065267795316
1972	3.349164709411999
1973	3.5558227775785296
1974	3.7755476310987537
1975	4.007707297529535
1976	4.254328915056839
1977	4.515301300910068
1978	4.796381416929918
1979	4.932263508418475
1980	5.051939201537347
1981	5.180305797667581
1982	5.313088508336763
1983	5.438252280260512
1984	5.568491556274242
1985	5.700125722071146
1986	5.8306733715567525
1987	5.965472605870308
1988	6.117754817663895
1989	6.238707689071985
1990	6.3555072782535555
1991	6.478610278136408
1992	6.6077564391622365
1993	6.696002183707292
1994	6.7373006234170765
1995	6.826113067603802
1996	7.008264705907854
1997	7.182464169743979
1998	7.320522110586309
1999	7.459089572311119
2000	7.586102759006984
2001	7.723408192284345
2002	7.872090884376541
2003	8.10239900350132
2004	8.343899001897219
2005	8.586175206813575
2006	8.833231612641294
2007	9.087424095076821
2008	9.356858608280623
2009	9.654562237946902
2010	9.954144406249123
2011	10.235916121307314
2012	10.520595125736989
2013	10.79903470287467
2014	11.074323748834782
2015	11.331170767128366
2016	11.578671603561956
2017	11.844120372299006
2018	12.13774010984905
2019	12.408042419552363
2020	12.676673043617326
2021	12.940900448815029
2022	13.206763994389547
2023	13.474012748815928