Year	% of total population
1960	44.7599368499257
1961	45.0200492014174
1962	45.2709075090839
1963	45.4659090909091
1964	45.6254698697125
1965	45.7854880718834
1966	45.9194614299917
1967	46.0200980948418
1968	46.0816561101465
1969	46.109342675416
1970	46.1022656101863
1971	46.0641123441598
1972	45.9967417221401
1973	45.9017421384305
1974	45.7827422677282
1975	45.636925972581
1976	45.4720644006816
1977	45.2918570548594
1978	45.1201140972501
1979	45.0038363670254
1980	44.9061202726892
1981	44.8042386691704
1982	44.725347986828
1983	44.6715005956937
1984	44.6447683506195
1985	44.6344999586836
1986	44.6348566718564
1987	44.6365286232816
1988	44.628032955357
1989	44.6079996738709
1990	44.6145179195732
1991	44.6499975756008
1992	44.6831990667024
1993	44.7040258877378
1994	44.6855327975888
1995	44.6209663475205
1996	44.4988824625317
1997	44.3154563903595
1998	44.0831731189373
1999	43.7977506509027
2000	43.37599050366
2001	42.8698673068285
2002	42.3712000712429
2003	41.8542544696599
2004	41.3324451620952
2005	40.811459685479
2006	40.3021229351008
2007	39.827979215615
2008	39.4082132056721
2009	39.0383768933428
2010	38.8832077831601
2011	38.9581526021314
2012	39.0910309797193
2013	39.2542124625522
2014	39.4380702930792
2015	39.6156830542779
2016	39.7402354370132
2017	39.8118447210747
2018	39.8447012761606
2019	39.8308829205876
2020	39.7572870045078
2021	39.6156503565089
2022	39.3931881722651
2023	39.080315450246