Year	% of total population
1960	48.9582036792711
1961	48.5576456899059
1962	48.1713050018804
1963	47.9087885552873
1964	47.755561440678
1965	47.6700440340302
1966	47.6059199071387
1967	47.5189150032196
1968	47.4080871585606
1969	47.2543708446196
1970	46.8993536472761
1971	46.3732400746553
1972	45.8575348323415
1973	45.3801395071681
1974	44.933131118158
1975	44.4788232310423
1976	43.9639042967133
1977	43.3677856922653
1978	42.7357770141275
1979	42.1135572857344
1980	41.5760745617369
1981	41.1632584154201
1982	40.8083921224888
1983	40.4723016197087
1984	40.1737057220708
1985	39.9359612742194
1986	39.7702599434747
1987	39.6783530180664
1988	39.6512620138327
1989	39.6863117870722
1990	39.7632690618596
1991	39.8365022503904
1992	39.8961609505267
1993	39.9626763590886
1994	40.0403530412997
1995	40.1322072620363
1996	40.2220183486238
1997	40.2752912599523
1998	40.2858505732912
1999	40.2776330867799
2000	40.1540456297925
2001	39.849804540155
2002	39.450298227822
2003	38.9994908569999
2004	38.4768895714571
2005	37.8593635379187
2006	37.1673630965472
2007	36.4386112712278
2008	35.7448940338698
2009	35.1840479716794
2010	34.5746087019936
2011	33.868532498619
2012	33.238035815725
2013	32.6483630531182
2014	32.0770254613005
2015	31.4982090017131
2016	30.8931969552807
2017	30.2569597476902
2018	29.5834710061127
2019	28.8912839044389
2020	28.1982723159194
2021	27.511935161541
2022	27.1466485967587
2023	27.0537066344829