Year	% of total population
1960	57.719
1961	56.783
1962	55.84
1963	54.611
1964	53.217
1965	51.822
1966	50.422
1967	49.021
1968	47.62
1969	46.227
1970	44.838
1971	43.797
1972	43.282
1973	42.769
1974	42.258
1975	41.748
1976	41.24
1977	40.829
1978	40.885
1979	40.941
1980	40.997
1981	41.052
1982	41.108
1983	41.164
1984	41.257
1985	41.365
1986	41.473
1987	41.581
1988	41.69
1989	41.906
1990	42.148
1991	42.39
1992	42.633
1993	42.876
1994	43.119
1995	43.363
1996	43.607
1997	43.715
1998	43.795
1999	43.874
2000	43.953
2001	44.033
2002	44.112
2003	43.758
2004	43.169
2005	42.583
2006	41.998
2007	41.415
2008	40.834
2009	40.258
2010	39.683
2011	39.111
2012	38.541
2013	38.417
2014	38.367
2015	38.317
2016	38.266
2017	38.216
2018	38.166
2019	38.103
2020	38.025
2021	37.934
2022	37.83
2023	37.712