Year	% of total population
1960	4.510485737071
1961	4.38769644837567
1962	4.2591734917015
1963	4.12865149445872
1964	4.00892317786674
1965	3.91545296771342
1966	3.84287324458525
1967	3.77253732266376
1968	3.70016161979253
1969	3.63080657689968
1970	3.56504399539697
1971	3.50333449078802
1972	3.44249988573109
1973	3.36011987011193
1974	3.24949551399759
1975	3.13001575370723
1976	3.01705700174355
1977	2.91521182781527
1978	2.82353178570514
1979	2.7422000719226
1980	2.67306731651995
1981	2.61581280684495
1982	2.56818570876909
1983	2.53267620674426
1984	2.52713738940741
1985	2.5505844034674
1986	2.58918854838262
1987	2.64242327878537
1988	2.70547659928411
1989	2.77273175760298
1990	2.8421638699046
1991	2.91402222631151
1992	2.98816341402313
1993	3.06388194684255
1994	3.14146091953627
1995	3.22232135933961
1996	3.30648965112826
1997	3.39212117954559
1998	3.47778235186118
1999	3.56302038869924
2000	3.63377557572665
2001	3.69082828460499
2002	3.73230032749181
2003	3.7508656749432
2004	3.77511455918067
2005	3.81135720435095
2006	3.82646678729652
2007	3.85746519598618
2008	3.89684589251715
2009	3.92703615347401
2010	3.96035882693859
2011	4.24695206889575
2012	4.55508345541865
2013	4.55586351782165
2014	4.58472154711137
2015	4.65147882791916
2016	4.71747459009557
2017	4.76206565064791
2018	4.77897333242973
2019	4.78723226116015
2020	4.80500882033537
2021	4.82233321658486
2022	4.86495758212926
2023	4.96996539683885