Year	% of total population
1960	42.7679196909232
1961	42.6804480067241
1962	42.6084232965749
1963	42.6060840987167
1964	42.6865072982562
1965	42.8097783092237
1966	42.9308522731157
1967	43.0822894689446
1968	43.2924856227832
1969	43.5358583310896
1970	43.8142546874858
1971	44.1404518540628
1972	44.4769282248015
1973	44.7485163051035
1974	44.9156549874767
1975	45.0366453648356
1976	45.1995428860546
1977	45.3666533135551
1978	45.5018948342854
1979	45.6248871599466
1980	45.7440670528121
1981	45.8528345323926
1982	45.9130843027402
1983	45.8318609221378
1984	45.6346126522815
1985	45.5255440142186
1986	45.5288633839396
1987	45.6562420901365
1988	45.9017764978749
1989	46.1481101369625
1990	46.3824176217115
1991	46.620681120354
1992	46.8177070810074
1993	46.9659894565092
1994	47.0965648359062
1995	47.1771828768526
1996	47.2407116517852
1997	47.3441950983693
1998	47.4650734285711
1999	47.5509242011682
2000	47.5682816087438
2001	47.5070278723885
2002	47.3690605340497
2003	47.1793965951776
2004	46.9723735701315
2005	46.7522180425581
2006	46.4873238588273
2007	46.1922578848776
2008	45.8769598949428
2009	45.5074465811048
2010	45.0798364399217
2011	44.6044636630583
2012	44.0921168251617
2013	43.5660109270323
2014	43.0351459062084
2015	42.5198799996825
2016	42.0201993331414
2017	41.5285859922881
2018	41.0813699066848
2019	40.6856905278888
2020	40.3131916092025
2021	39.9610024776064
2022	39.6251113770134
2023	39.2961185536122