Year	% of total population
1960	40.5763222518005
1961	40.8149771817271
1962	41.064432318804
1963	41.32262902278
1964	41.6540015195122
1965	41.8987374780373
1966	42.007035705795
1967	42.1444221414294
1968	42.2977965673974
1969	42.4692335678714
1970	42.6642187886003
1971	42.8821278420086
1972	43.1606190723537
1973	43.4772174991748
1974	43.7943867601519
1975	44.143558816976
1976	44.5366337649198
1977	44.9547852556216
1978	45.3609308589344
1979	45.6391658123137
1980	46.5935927337721
1981	47.4685514425496
1982	46.536627204887
1983	45.7538303581875
1984	46.4774360379766
1985	47.2303015375969
1986	47.1525020710568
1987	46.9257866471277
1988	46.8236587089128
1989	46.80852302015
1990	47.0913335675277
1991	47.0509828953706
1992	46.8767167124668
1993	47.5312372034684
1994	48.1617658490291
1995	47.9196691003557
1996	47.8296327071804
1997	48.2229802839237
1998	48.4928814786133
1999	48.6155157006067
2000	48.7762825583351
2001	49.0033381724185
2002	49.1210057602826
2003	48.9514118946549
2004	48.6022784826717
2005	48.4615160881366
2006	48.5098277825125
2007	48.5788741692765
2008	48.5624711226504
2009	48.5415741717559
2010	48.6043815885812
2011	48.5845099468607
2012	48.5284642630843
2013	48.4383037258016
2014	48.329771819642
2015	48.3530693959679
2016	48.3416337818145
2017	48.2259475149086
2018	48.0787044009277
2019	47.9411963862042
2020	47.8167301468278
2021	47.6594203404708
2022	47.5092314137968
2023	47.3525072465334