Year	% of total population
1960	83.04503873425008
1961	82.57271324755033
1962	82.10192158341484
1963	81.62934259314802
1964	81.14834799720634
1965	81.21852422635065
1966	81.25854954757688
1967	81.25958538343664
1968	81.24641062750108
1969	81.2240688089598
1970	81.19609755080721
1971	81.1664009742404
1972	81.11623480136333
1973	80.98003709204383
1974	80.76740563223684
1975	80.70553225421281
1976	80.54138903957305
1977	80.37372808639466
1978	79.97140288167158
1979	79.32482426328895
1980	78.64493280926187
1981	77.93666072278255
1982	77.21793523711501
1983	76.59737958296112
1984	75.95870988017049
1985	75.30972073725475
1986	74.65030373414622
1987	73.97964905508545
1988	73.29565395002405
1989	72.59828856402795
1990	71.88665469374232
1991	71.1102367184921
1992	70.30926852059115
1993	69.49554986880092
1994	68.66650221195889
1995	67.824104206476
1996	66.96634662050377
1997	66.09882822844406
1998	65.2187223372165
1999	64.32764329210833
2000	63.411737498910064
2001	62.382068537568465
2002	61.27307579147494
2003	60.15226204134223
2004	59.02073681699501
2005	57.885256627197236
2006	56.77433459358255
2007	55.675860381767144
2008	54.57232681069435
2009	53.46858438564302
2010	52.36475593197942
2011	51.324995174623055
2012	50.31033568263864
2013	49.30167049787624
2014	48.2956634836592
2015	47.29493191798791
2016	46.29898910788634
2017	45.31135528499278
2018	44.34819597184729
2019	43.4125895755814
2020	42.50527329897069
2021	41.626183306306814
2022	40.77387792115692
2023	39.95127850068844