Year	% of total population
1960	66.265
1961	65.61099999999999
1962	64.949
1963	64.282
1964	63.609
1965	62.932
1966	62.248
1967	61.443
1968	60.563
1969	59.679
1970	58.788
1971	57.89
1972	56.986
1973	56.08
1974	55.168
1975	54.253
1976	53.334
1977	52.53
1978	51.79
1979	51.049
1980	50.307
1981	49.566
1982	48.825
1983	48.084
1984	47.343
1985	46.605
1986	45.867
1987	45.283
1988	44.743
1989	44.206
1990	43.67
1991	43.135
1992	42.347
1993	41.481
1994	40.62
1995	39.764
1996	38.913
1997	38.147
1998	37.412
1999	36.682
2000	35.958
2001	35.242000000000004
2002	34.532
2003	33.828
2004	33.131
2005	32.44199999999999
2006	31.760999999999996
2007	31.135999999999996
2008	30.542
2009	29.955
2010	29.373999999999995
2011	28.799999999999997
2012	28.245000000000005
2013	27.705
2014	27.17
2015	26.641999999999996
2016	26.120000000000005
2017	25.605999999999995
2018	25.102000000000004
2019	24.608999999999995
2020	24.126000000000005
2021	23.655
2022	23.192999999999998
2023	22.742999999999995