Year	% of total population
1960	43.1085370164596
1961	43.1630580074089
1962	43.2565371120182
1963	43.4387513297093
1964	43.6686665346869
1965	43.8879318211663
1966	44.1061454068722
1967	44.3264273588887
1968	44.5439714984229
1969	44.7320565727115
1970	44.8618298124222
1971	44.9336555649922
1972	44.9713958288688
1973	45.0140134697111
1974	45.0854098387315
1975	45.173483848292
1976	44.9337084487777
1977	44.5415795790127
1978	44.4450338480342
1979	44.6084181838293
1980	44.9843565784863
1981	45.4970216449423
1982	46.0869455405625
1983	46.712253935701
1984	47.3401726328001
1985	47.938644580656
1986	48.4829777369091
1987	48.6970809814434
1988	48.028880777507
1989	47.3120995192945
1990	47.0863308008566
1991	46.8085017796929
1992	46.4543298463618
1993	46.0572744323411
1994	45.6494884723798
1995	45.2624076411531
1996	44.9271268695463
1997	44.6637525261317
1998	44.5544672138642
1999	44.6771311498778
2000	44.9692107047341
2001	45.3360313174444
2002	45.5654881952773
2003	45.5698828650269
2004	45.459583839818
2005	45.2795500736286
2006	45.0621588597435
2007	44.8132012086872
2008	44.548751498528
2009	44.282258399144
2010	44.0035914701306
2011	43.9342451581451
2012	44.0296057671739
2013	44.0353184633188
2014	43.8876938632772
2015	43.6170486424375
2016	43.3385604875338
2017	43.0614106788528
2018	42.7614415845524
2019	42.4369437122429
2020	42.110374911366
2021	41.7979307924606
2022	41.4759090667376
2023	41.1225858897022