Year	% of total population
1960	41.0056233658213
1961	40.9774093111934
1962	40.9854011519623
1963	41.0747856422643
1964	41.267066467454
1965	41.4487237349972
1966	41.5801611423407
1967	41.7219238956908
1968	41.8662726538913
1969	42.0088280606872
1970	42.141270236558
1971	42.2875017237705
1972	42.4568316877926
1973	42.633083750712
1974	42.8231389742147
1975	43.0223329548183
1976	43.2241522223398
1977	43.416001003339
1978	43.6121380273424
1979	43.8154840798076
1980	43.9993188893826
1981	44.1882726855799
1982	44.391450198591
1983	44.6013558229407
1984	44.7794399763873
1985	44.9022196511679
1986	44.9812497198199
1987	44.9999311141348
1988	44.9613352708485
1989	44.8777695094439
1990	44.7525854492179
1991	44.6143718189418
1992	44.4664181091532
1993	44.2926925423918
1994	44.1135100161706
1995	43.9510030027977
1996	43.8047841822388
1997	43.6603511640342
1998	43.5192059612551
1999	43.4170031971652
2000	43.3796626490772
2001	43.395909346467
2002	43.4555650963714
2003	43.5465015589473
2004	43.6431788177919
2005	43.7489000163299
2006	43.8686702769476
2007	43.9855089781498
2008	44.0983054839642
2009	44.1991610149464
2010	44.2742364924894
2011	44.3265802900612
2012	44.3635668107454
2013	44.3820989366825
2014	44.3679551002556
2015	44.3137244810084
2016	44.2157245352128
2017	44.068259655922
2018	43.893285762355
2019	43.7078194113582
2020	43.5018845540314
2021	43.2860353993354
2022	43.0446094603077
2023	42.7624619047205