Year	% of total population
1960	13.44972090847364
1961	13.788918698273067
1962	14.136005661279562
1963	14.501367995435615
1964	14.877156140614574
1965	15.262792703742589
1966	15.663929390950827
1967	16.08331720919343
1968	16.57475370560811
1969	17.129259972792383
1970	17.676165113022446
1971	18.022924166928924
1972	18.38463381220387
1973	18.734509999046775
1974	19.04153289818641
1975	19.343103307404583
1976	19.59696392102513
1977	19.860024600013887
1978	20.129821446531178
1979	20.402448872096674
1980	20.710591683995922
1981	21.028751259768747
1982	21.31930096195017
1983	21.648972732612215
1984	22.03996800122366
1985	22.46839493419141
1986	22.89942799246737
1987	23.320987074257726
1988	23.73739567663869
1989	24.133449357370182
1990	24.505473358163716
1991	24.81771842825537
1992	25.130224937026714
1993	25.462169623102053
1994	25.797098203257804
1995	26.09022237555296
1996	26.277544342859912
1997	26.498825094031613
1998	26.74173229797076
1999	26.982591970852287
2000	27.232285742804603
2001	27.488298924843267
2002	27.726757747036082
2003	27.950343763262637
2004	28.190229451531735
2005	28.459494807086397
2006	28.75416851759657
2007	28.99646891485469
2008	29.352722857636596
2009	29.68724414461697
2010	30.04065155481213
2011	30.335538732206206
2012	30.591798657012458
2013	30.827667943455545
2014	31.081661301420915
2015	31.439924748751846
2016	31.838235083597322
2017	32.256513656256885
2018	32.688069838368456
2019	33.13434046283128
2020	33.58540736520496
2021	34.04404474489335
2022	34.52217573348504
2023	35.02012642543685