Year	% of total population
1960	2.69099095652651
1961	2.70720835666147
1962	2.72590222520727
1963	2.74823821615629
1964	2.77349328881419
1965	2.80018036771191
1966	2.83047293081853
1967	2.86380706099507
1968	2.89770833220473
1969	2.93230632237218
1970	2.99796154892469
1971	3.06887032347897
1972	3.10316311473223
1973	3.12971712448579
1974	3.16338894193797
1975	2.990744914199
1976	2.79636280988086
1977	2.85282937401126
1978	2.93641750371255
1979	2.96561787816137
1980	2.99659967128354
1981	3.02549032932423
1982	3.01485739647245
1983	3.00534912824649
1984	3.00479443289006
1985	3.01181269560246
1986	3.00455522203297
1987	2.99101728741953
1988	2.98966254178845
1989	2.98859703406679
1990	2.97780515526763
1991	2.96748863299051
1992	2.92820234991714
1993	2.87834281678018
1994	2.87036825498364
1995	2.89231366044393
1996	2.91923734279445
1997	2.94955574339795
1998	2.9838478227541
1999	3.02140771164383
2000	3.06279288588735
2001	3.10701924560746
2002	3.15365376009456
2003	3.20277816736624
2004	3.25724056487175
2005	3.31537952089229
2006	3.37347496200969
2007	3.43178762257478
2008	3.49545967754977
2009	3.56949535773137
2010	3.64915467866817
2011	3.73271450037909
2012	3.82255861295877
2013	3.92578629828377
2014	4.05617607706989
2015	4.21024505687457
2016	4.37887512329529
2017	4.56614063248102
2018	4.77736103584355
2019	5.01574062179898
2020	5.27259166472753
2021	5.53219121065203
2022	5.80586023514951
2023	6.11683767068484