Year	% of total population
1960	87.58861187830132
1961	87.24136505465498
1962	86.88469041808499
1963	86.51003979465627
1964	86.11264097534576
1965	85.70117182337164
1966	85.29405534208308
1967	84.87337146565746
1968	84.4405143624106
1969	83.9925146837421
1970	83.5612757513709
1971	83.12265737659025
1972	82.67482086147011
1973	82.223651960265
1974	81.78898088703198
1975	81.34591871594067
1976	80.89551149769858
1977	80.44557397122917
1978	79.97884895205716
1979	79.57399948430293
1980	79.14846197357109
1981	78.73852375262133
1982	78.35072954945204
1983	77.92617243355329
1984	77.45431982085367
1985	76.94065950076832
1986	76.42675501972056
1987	75.92591938297116
1988	75.4415964657148
1989	74.9934711155963
1990	74.55906073184538
1991	74.17853615807223
1992	73.80871263522036
1993	73.4498964738725
1994	73.08154666238981
1995	72.7438491731871
1996	72.48415082631873
1997	72.19763852110457
1998	71.89652935384757
1999	71.59557381295961
2000	71.28269636751952
2001	70.93235097165406
2002	70.59233417520532
2003	70.24833135236209
2004	69.89791371654916
2005	69.5250853858793
2006	69.14608902782075
2007	68.82474474441952
2008	68.38808906190027
2009	67.95466507476092
2010	67.51258134726933
2011	67.06798960123592
2012	66.64070685978844
2013	66.20778794852347
2014	65.76687925297682
2015	65.31276764530092
2016	64.84992124642282
2017	64.38706751483105
2018	63.921042204976274
2019	63.44924065210773
2020	62.9706191473041
2021	62.484205675374454
2022	61.987876103786476
2023	61.48263569351224