Year	% of total population
1960	70.643
1961	70.151
1962	69.655
1963	69.154
1964	68.64699999999999
1965	68.138
1966	67.62299999999999
1967	67.104
1968	66.581
1969	66.054
1970	65.523
1971	64.988
1972	64.325
1973	63.651
1974	62.971
1975	62.286
1976	61.595
1977	60.901
1978	60.202
1979	59.498
1980	58.79
1981	58.08
1982	57.366
1983	56.653
1984	55.937
1985	55.221
1986	54.502
1987	53.781
1988	53.057
1989	52.334
1990	51.609
1991	50.883
1992	50.156
1993	49.431
1994	48.705
1995	48.308
1996	47.978
1997	47.65
1998	47.322
1999	46.993
2000	46.665
2001	46.338
2002	46.01
2003	45.683
2004	45.356
2005	44.826
2006	44.254
2007	43.683
2008	43.114
2009	42.548
2010	41.982
2011	41.419
2012	40.858
2013	40.3
2014	39.744
2015	39.191
2016	38.64
2017	38.092
2018	37.547
2019	37.006
2020	36.468
2021	35.935
2022	35.403999999999996
2023	34.879000000000005