Year	% of total population
1960	2.53019720084732
1961	2.49442181148645
1962	2.4816372528451
1963	2.48223710242369
1964	2.49472986207626
1965	2.51862810480352
1966	2.55184365858948
1967	2.59148017696292
1968	2.63476782827726
1969	2.68078640257436
1970	2.71239513537193
1971	2.7279694681236
1972	2.75099670842831
1973	2.78771343535398
1974	2.83576715983957
1975	2.89115675743507
1976	2.9569019971641
1977	3.03902195643766
1978	3.13808631410359
1979	3.25385746925112
1980	3.34601240732423
1981	3.38545021253859
1982	3.39878723416055
1983	3.4030241986621
1984	3.39926352742545
1985	3.3894851719522
1986	3.37766343775878
1987	3.36743120061405
1988	3.35537323918282
1989	3.3388062732125
1990	3.32768383865481
1991	3.33396782717279
1992	3.35485007984922
1993	3.38033861358404
1994	3.40318753729382
1995	3.42881437277796
1996	3.47395246588944
1997	3.54055783688786
1998	3.61832673164405
1999	3.70297067710254
2000	3.77344219497254
2001	3.82200815446335
2002	3.87004594203971
2003	3.91927276323616
2004	3.96094785969391
2005	3.99643638368076
2006	4.03140958320153
2007	4.07603882642403
2008	4.13477731989661
2009	4.2036338330042
2010	4.27302095420181
2011	4.33237533216868
2012	4.39156099921621
2013	4.46551825433087
2014	4.55348272417186
2015	4.63760622796757
2016	4.72085427310928
2017	4.8196830831469
2018	4.93631524243292
2019	5.07253641189035
2020	5.22218731894015
2021	5.32616572723605
2022	5.43676218268712
2023	5.60514873659003