Year	% of total population
1960	53.8298904123797
1961	53.4746003408261
1962	53.046593931435
1963	52.527499470139
1964	52.0039622250926
1965	51.2540501973005
1966	50.1505893388496
1967	48.9872665093312
1968	47.904590183487
1969	46.9257143593353
1970	46.0581968041727
1971	45.3047510110707
1972	44.7798733701776
1973	44.8639946340565
1974	45.3389760517122
1975	45.8758819054459
1976	46.5626960763904
1977	47.3602813748498
1978	48.2656117549441
1979	49.2699110410424
1980	50.3289882270346
1981	51.3611837730243
1982	52.2893885909384
1983	53.0872399514896
1984	53.7654293799465
1985	54.3140816638111
1986	54.72951503108
1987	55.0599389382172
1988	55.4150187800023
1989	55.8625002042957
1990	56.3777220725219
1991	56.9510137216485
1992	57.5819428478608
1993	58.266342601419
1994	58.9905599642858
1995	59.701318152748
1996	60.3577461016357
1997	60.9800757616941
1998	61.5939211736529
1999	62.230224290322
2000	62.8478075731504
2001	63.3901392668117
2002	63.8797363933276
2003	64.3130742468323
2004	64.658832320524
2005	64.9256267486767
2006	65.2366725346557
2007	65.5605647039142
2008	65.8298185697206
2009	66.049462979964
2010	66.180295325584
2011	64.6572018825714
2012	63.0327364121576
2013	63.3483375133516
2014	63.6138099145851
2015	63.794938338096
2016	64.01866481084
2017	64.3539309261622
2018	64.7994077612545
2019	65.2897784289082
2020	65.7951557137108
2021	66.3214222666714
2022	66.8422352903356
2023	67.3221441649338