Year	% of total population
1960	3.271743931512938
1961	3.4246631147769158
1962	3.584756917944692
1963	3.7521476901652715
1964	4.016063626283535
1965	4.393448021219289
1966	4.807307825915826
1967	5.2604466443275735
1968	5.756931508710742
1969	6.298558398620352
1970	6.891469632841051
1971	7.541793148890802
1972	8.25510053034286
1973	9.029205914175245
1974	9.885615548703859
1975	10.52390222144229
1976	10.71646708334689
1977	10.892627382147003
1978	10.587095932920066
1979	9.759904807210011
1980	9.350730725783677
1981	9.68800348040704
1982	10.083109241650222
1983	10.552293499419537
1984	10.99266449155443
1985	11.269354663812843
1986	11.544733005152
1987	11.893189777485455
1988	12.69130576927938
1989	13.786025427489468
1990	14.79116731646487
1991	16.412429957541562
1992	17.349883893337125
1993	17.001390632360877
1994	16.32321948186076
1995	15.901097361921416
1996	15.487276596029414
1997	15.101664491726673
1998	14.631689111716199
1999	14.190529906509397
2000	13.769074347027708
2001	13.361633832362429
2002	13.387017440994962
2003	13.420621931260229
2004	13.456245575671266
2005	13.519332411859725
2006	13.639301646837687
2007	9.895654758028625
2008	10.300982012028097
2009	10.767681295463944
2010	11.252527615963515
2011	11.868865893847975
2012	12.274405027649598
2013	12.50972088277092
2014	12.72082129438694
2015	12.952689447312412
2016	13.134591030044609
2017	13.299237141320761
2018	13.507308436377066
2019	13.640035541539175
2020	13.799400085239078
2021	13.992608865763199
2022	14.1921377403884
2023	14.38807591397809