Year	% of total population
1960	3.51622020867016
1961	3.52650771388499
1962	3.53467028863949
1963	3.53026162882
1964	3.49776058011639
1965	3.45849997044859
1966	3.42818389355341
1967	3.40288656735787
1968	3.37875542274945
1969	3.35543500100462
1970	3.33197714828188
1971	3.3210544966089
1972	3.31646992692524
1973	3.30967231974456
1974	3.30656049060662
1975	3.28359765499877
1976	3.23826738482395
1977	3.1998460310219
1978	3.18130669741467
1979	3.17348948916534
1980	3.1632338774681
1981	3.15225834383874
1982	3.145436209638
1983	3.14360275636477
1984	3.14870883649159
1985	3.16089830672252
1986	3.17102985181948
1987	3.17895417093004
1988	3.19308533317893
1989	3.21085989679379
1990	3.22353275255317
1991	3.23666326454407
1992	3.32335533029458
1993	3.46694331792889
1994	3.57485747885726
1995	3.58023348560655
1996	3.50904905898813
1997	3.43642302466414
1998	3.35888551783566
1999	3.28405311146774
2000	3.28757435647243
2001	3.38012568279164
2002	3.4770495975141
2003	3.54188095344573
2004	3.56253505328099
2005	3.53614566432306
2006	3.47956954152728
2007	3.41270131103239
2008	3.34162799148149
2009	3.27206990057246
2010	3.23875914952945
2011	3.30160260272322
2012	3.44630053958164
2013	3.63596186337291
2014	3.86107646022894
2015	4.11468872617313
2016	4.37205198065963
2017	4.62779757403978
2018	4.90538993410199
2019	5.21824229990528
2020	5.55899970117701
2021	5.88256092494542
2022	6.15561823341859
2023	6.39450114559467