Year	% of total population
1960	41.6596238505493
1961	42.1377032107982
1962	42.6942325768635
1963	43.3438490354022
1964	43.9871145970406
1965	44.8304968349861
1966	46.0065374165652
1967	47.240196168005
1968	48.3952481967205
1969	49.443479063765
1970	50.3767592004303
1971	51.1919144981413
1972	51.7776267440913
1973	51.7758854958316
1974	51.4115284342902
1975	50.9941023408469
1976	50.4202469218661
1977	49.724506797335
1978	48.9108564593507
1979	47.987888887035
1980	46.9979444564454
1981	46.0230034201308
1982	45.1424257002925
1983	44.3800838417662
1984	43.7074332306461
1985	43.1353339327215
1986	42.6812964205374
1987	42.2976377829974
1988	41.8795046207136
1989	41.3647680381013
1990	40.7801140575735
1991	40.13496405204
1992	39.4298937381161
1993	38.6697754517385
1994	37.8679791161779
1995	37.0763604879124
1996	36.335764247236
1997	35.6278030587603
1998	34.9282964744859
1999	34.2067553209788
2000	33.5184168511229
2001	32.9190324485833
2002	32.3879632791806
2003	31.9360600782244
2004	31.5660531202954
2005	31.2630160469724
2006	30.9368606780478
2007	30.5819701000996
2008	30.2733355377622
2009	30.023500866562
2010	29.8593458474774
2011	31.0958460485329
2012	32.4121801324237
2013	32.0957989688267
2014	31.8014685383035
2015	31.5535828339848
2016	31.2638605990644
2017	30.8840034231898
2018	30.4216189063158
2019	29.9229893099316
2020	29.3998354659539
2021	28.8562445167437
2022	28.2928071275352
2023	27.7078904382273