Year	% of total population
1960	62.1766488561744
1961	62.674582690895264
1962	63.172521915559926
1963	63.68642007140349
1964	64.20056227119524
1965	64.7005462436995
1966	65.19741776290387
1967	65.70366606839444
1968	66.20190565806855
1969	66.67984435312415
1970	67.14312494449779
1971	67.54765532792409
1972	67.91762016153119
1973	68.27794394147723
1974	68.6344490531844
1975	68.97314014876792
1976	69.24278345745611
1977	69.50049544200866
1978	69.76029955272014
1979	70.016286187678
1980	70.27332220333629
1981	70.57852247618898
1982	70.86423858571146
1983	71.13384976525391
1984	71.39428625322955
1985	71.65585521385704
1986	71.92377781387107
1987	72.2108107166746
1988	72.49504094447242
1989	72.75788674641154
1990	73.03827569852062
1991	73.32120477013744
1992	73.5849252980128
1993	73.85246178940994
1994	74.12485237810684
1995	74.39546248057277
1996	74.6446021545202
1997	74.88444145821695
1998	75.12369161371825
1999	75.36367978432551
2000	75.60232110123991
2001	75.95147186224474
2002	76.35451403889094
2003	76.73835862887789
2004	77.10669917978522
2005	77.46078392671372
2006	77.7886568068667
2007	78.10254459788304
2008	78.40420605570901
2009	78.69677487461225
2010	78.98254968803847
2011	79.20791152953167
2012	79.40533038444404
2013	79.5999452183377
2014	79.79358533187614
2015	79.99124920710568
2016	80.19155391524434
2017	80.39525035322745
2018	80.60107269051149
2019	80.81359534556205
2020	81.02774628080753
2021	81.24053085090318
2022	81.46735501868463
2023	81.6848921184425