Year	% of total population
1960	53.0126806402973
1961	52.9346758924132
1962	52.8903734659744
1963	52.9087770143783
1964	53.0241493432834
1965	53.185584681871
1966	53.3291370532589
1967	53.4657689075555
1968	53.6137767879508
1969	53.7851879153999
1970	53.3959253338103
1971	52.7640015626484
1972	52.5931014332154
1973	52.5966927747015
1974	52.7562489617097
1975	53.0194870704887
1976	53.3175316188217
1977	53.9281296560468
1978	54.5702474798457
1979	55.308876289532
1980	55.4745518179301
1981	55.2643208058484
1982	55.3619541189143
1983	55.2836636351913
1984	54.9826609544094
1985	54.5808859830131
1986	54.3826015814252
1987	54.2772876891042
1988	53.9440803711876
1989	53.4238824547353
1990	52.8668780653786
1991	52.2036751670188
1992	51.8683626571341
1993	51.8263320906164
1994	51.6487089136662
1995	51.6517701131404
1996	52.0204022092333
1997	52.5737280682993
1998	54.1599862611242
1999	55.8521965678395
2000	56.7537852835927
2001	57.6697947316754
2002	58.5776209953073
2003	59.4713807448175
2004	60.3141328836637
2005	61.1062679333984
2006	61.8779288486627
2007	62.5998821272595
2008	63.2629162231181
2009	63.8281515544877
2010	64.2569355503925
2011	64.5407166497031
2012	64.6396590219394
2013	64.714104291404
2014	64.8316249163876
2015	64.8968157855189
2016	64.9454751865866
2017	64.9963802900929
2018	65.035718501163
2019	65.061116456292
2020	65.1018681289629
2021	65.168477216275
2022	65.2454870088385
2023	65.3254273605406