Year	% of total population
1960	22.24256952163492
1961	22.67945535334711
1962	23.112387232976676
1963	23.5529386359204
1964	23.992282177303
1965	24.45689527416598
1966	24.9187493737096
1967	25.384243665267753
1968	25.839918919715586
1969	26.293843482665622
1970	26.733797229436313
1971	27.196085522639084
1972	27.655979272674674
1973	28.094573989360118
1974	28.474618792269087
1975	28.84885878148721
1976	29.252661075184673
1977	29.65157268033961
1978	29.96452274622727
1979	30.269093259390807
1980	30.65215798000854
1981	31.095439973059086
1982	31.494286289351685
1983	31.924570721138327
1984	32.40411910648354
1985	32.876048521195706
1986	33.3628456516266
1987	33.85628996385763
1988	34.32062605546598
1989	34.73145226445298
1990	35.22337470905105
1991	35.47414758675096
1992	35.72052002248242
1993	35.96466753696334
1994	36.133668330907625
1995	36.27279556857204
1996	36.450254366105376
1997	36.63947190407972
1998	36.82653818204798
1999	37.01650873110693
2000	37.22531008621573
2001	37.51286759631752
2002	37.772266148798806
2003	38.031210591638306
2004	38.30698031402842
2005	38.59690101276854
2006	38.87017518172675
2007	39.09879660511024
2008	39.44638451028789
2009	39.80056589061475
2010	40.160702527453516
2011	40.466739112839555
2012	40.77018867733179
2013	41.11411700512637
2014	41.45992458045646
2015	41.83911693057292
2016	42.21469672298297
2017	42.58123526728126
2018	42.929919540111776
2019	43.2793603778762
2020	43.654508594701035
2021	44.04926829435816
2022	44.33600140522798
2023	44.77675184231926