Year	% of total population
1960	54.4956782888954
1961	54.5887011521026
1962	54.5856304855996
1963	54.6742061765985
1964	54.8734476386919
1965	55.1814771654347
1966	55.5772003946669
1967	56.0864561544988
1968	56.6457319175053
1969	57.1582673183887
1970	57.6637087291584
1971	58.1886035381228
1972	58.8500649896781
1973	59.6853391279447
1974	60.5938944650368
1975	61.4875937775362
1976	62.4038893655268
1977	63.2777737104555
1978	63.9743755871586
1979	64.5187562493952
1980	64.8759766487598
1981	64.8997420684038
1982	64.8947968819317
1983	65.0715261529765
1984	65.2876142393007
1985	65.6332392443935
1986	66.1014979938965
1987	66.5903801396431
1988	66.9842922984852
1989	67.0882646623991
1990	66.6861964800682
1991	65.7845101968643
1992	65.5378500245756
1993	66.147042564953
1994	66.8031936608643
1995	67.5853341985724
1996	68.3789364997419
1997	68.9633267365438
1998	69.3592555272361
1999	69.6196484280567
2000	69.8252544864816
2001	69.9709451375833
2002	70.0700580730217
2003	70.1966537577804
2004	70.3381993703195
2005	70.3571012774785
2006	70.2185520858937
2007	70.0372983975121
2008	69.8421364137312
2009	69.6508486876588
2010	69.6416736843679
2011	69.7940526024801
2012	69.8594183808876
2013	69.7953926905132
2014	69.6208274610499
2015	69.3523247727981
2016	69.027742682921
2017	68.6812691758703
2018	68.3205692633645
2019	67.9625149728727
2020	67.7120031524284
2021	67.6570940475799
2022	67.6170792428014
2023	67.4322760333845