Year	% of total population
1960	50.8582710378928
1961	50.2690903406617
1962	49.8356183361485
1963	49.6357235161839
1964	49.6866011039415
1965	49.9733021316507
1966	50.4567152911921
1967	51.0826503893631
1968	51.7857361044927
1969	52.4979982423591
1970	53.1619701145546
1971	53.6705236702713
1972	53.9906592719236
1973	54.3456020715865
1974	54.8989556973304
1975	55.6081000670204
1976	56.3979922878165
1977	57.1976348429727
1978	57.9321246934883
1979	58.5388373792944
1980	58.9932976976966
1981	59.3075165444349
1982	59.5605332216848
1983	59.8338497419563
1984	60.1252084478438
1985	60.4172528751415
1986	60.6954274189513
1987	60.935501783671
1988	61.1291300579093
1989	61.2860269363586
1990	61.4278760343988
1991	61.4607574297784
1992	61.2914563173291
1993	61.1020571593148
1994	61.0624607147812
1995	61.1734654643811
1996	61.4534481181988
1997	61.9148188943697
1998	62.5275454666136
1999	63.2288572350246
2000	63.9706642030507
2001	64.7374823366794
2002	65.5134503529872
2003	66.2769793062736
2004	67.0101162263272
2005	67.696251201538
2006	68.334236389777
2007	68.9374347357151
2008	69.5168344740072
2009	70.0748889987728
2010	70.6035184729297
2011	70.9998107126668
2012	71.2439195935411
2013	71.4174677103005
2014	71.5631120156676
2015	71.7068882263402
2016	71.821668849796
2017	71.8976053770076
2018	71.9353772786567
2019	71.9295922711755
2020	71.8948440771973
2021	71.8429271644217
2022	71.7734795986205
2023	71.6879896845136