Year	% of total population
1960	45.7925116355766
1961	45.9597281786357
1962	46.0556136243878
1963	46.0676683927797
1964	45.9915977793993
1965	45.8659611233662
1966	45.6841726101296
1967	45.4055143967553
1968	45.0152106690474
1969	44.5359927374149
1970	43.9945626913869
1971	43.3827905321792
1972	42.7029259069391
1973	41.960077208819
1974	41.1820464665001
1975	40.3968558372991
1976	39.6249996251519
1977	38.8896714390243
1978	38.2095914198608
1979	37.6104710508595
1980	37.0965450484053
1981	36.6628521869986
1982	36.3177929888113
1983	36.0853869303812
1984	35.9454046435724
1985	35.8665621731194
1986	35.8337530946608
1987	35.8156257533094
1988	35.7921965682385
1989	35.7322878427126
1990	35.6123883025856
1991	35.4170946632486
1992	35.1399987868533
1993	34.7916615277274
1994	34.374684737151
1995	33.9024438712335
1996	33.381698217346
1997	32.8118400132213
1998	32.195244622976
1999	31.5440620490436
2000	30.8731608234585
2001	30.1899044525683
2002	29.4940017556784
2003	28.792686739433
2004	28.1049341733604
2005	27.4374421758494
2006	26.8039979703856
2007	26.2192909534847
2008	25.6874454260748
2009	25.1892917741176
2010	24.7055358195027
2011	24.2416627697038
2012	23.7995513020064
2013	23.3792824220213
2014	22.9790504838843
2015	22.5880048422529
2016	22.2084524301824
2017	21.8679046982168
2018	21.5604513152251
2019	21.2446417137941
2020	20.9004500200562
2021	20.5484543235421
2022	20.1894812586943
2023	19.7859702661443