Year	% of cohort
1960	35.33157697625478
1961	35.844110430687714
1962	36.23262114053974
1963	36.63655694105311
1964	37.32206951964824
1965	37.4881044887126
1966	37.32026464471572
1967	37.86560364664382
1968	38.500725359892115
1969	38.84491309208692
1970	39.34737151981566
1971	40.094551248181645
1972	40.22897557600534
1973	41.1361150639874
1974	41.456927853410036
1975	41.97117114688163
1976	43.10006873494594
1977	43.91079499289943
1978	44.4922031787558
1979	45.07809187382791
1980	45.59403698605798
1981	46.2043301643426
1982	46.519114320751996
1983	45.34872970899143
1984	45.43704114665128
1985	45.701476616590746
1986	46.17184230119953
1987	46.65876844945022
1988	46.250572931280715
1989	47.05857570638763
1990	46.947284793394715
1991	46.53378414401133
1992	46.06979720918856
1993	46.18689949307225
1994	46.29611434371671
1995	46.128836770080426
1996	45.705769108219194
1997	45.605127207109575
1998	44.99376327686753
1999	45.669418163084075
2000	45.915064437811395
2001	45.8884394391485
2002	46.16666706537486
2003	46.61981729628164
2004	47.12005440386908
2005	47.98877560430491
2006	49.11884730443351
2007	50.16191533934398
2008	51.12763302062416
2009	52.55808546393805
2010	53.70856573056797
2011	55.07889468300887
2012	56.204046297400545
2013	57.284262813060145
2014	58.22245980372485
2015	58.995966646652086
2016	59.88867586082722
2017	60.613795685082174
2018	61.34153766106427
2019	62.058577477461846
2020	61.156272062487155
2021	59.75868984827398
2022	60.72455882669989