Year	% of total population
1960	54.19994614886016
1961	54.61527234570257
1962	54.662232358964815
1963	54.99893150684932
1964	55.31792782305006
1965	55.639348436951174
1966	55.79005235602095
1967	57.71173828290534
1968	59.4116829044883
1969	60.96052352605399
1970	62.638522427440634
1971	63.458993584293125
1972	63.10311907110875
1973	62.94321375186846
1974	62.16038038329811
1975	62.1923414669258
1976	62.36882348749376
1977	62.30374154453213
1978	62.21857501044714
1979	62.186165081989806
1980	62.070283147291036
1981	61.743231706745036
1982	61.48747448589318
1983	61.45855853702141
1984	61.53578146924998
1985	61.531631753920244
1986	61.46039386079091
1987	61.430136509911485
1988	61.33227930717358
1989	61.199074651180275
1990	61.19923038373929
1991	61.32572855090096
1992	61.29230343216161
1993	61.39987461162038
1994	61.46502860806579
1995	61.439336286680465
1996	61.35338246025312
1997	60.823543914068026
1998	60.351994111648246
1999	59.82797179542027
2000	59.280804960816766
2001	58.66008505138419
2002	58.73867478216444
2003	58.8117472485942
2004	58.935508155885586
2005	58.9718838089842
2006	58.93437503147773
2007	59.02904805935118
2008	59.02114239694399
2009	58.977764396286446
2010	59.2358346477243
2011	59.59517769542235
2012	59.68724961197073
2013	59.79226421644397
2014	60.03789197044125
2015	60.317295162347826
2016	60.52645318342136
2017	60.685996122083615
2018	60.93901284840304
2019	60.97017994123978
2020	61.12562832251456
2021	61.92362419571078
2022	61.99539724135084
2023	61.36065845040179