Year	% of cohort
1960	69.3764959392794
1961	69.78935385196166
1962	69.95715653073162
1963	70.67610250510414
1964	71.17688271710824
1965	71.325871396306
1966	71.54798966093387
1967	71.83370501205066
1968	72.14530567137932
1969	72.22120079304605
1970	72.39649836847121
1971	72.76506230344137
1972	73.08926830939949
1973	73.35411934859361
1974	73.69683363880644
1975	74.05207840815686
1976	74.1293317419701
1977	74.45084498707287
1978	74.66404316899313
1979	74.78059938952264
1980	74.92876008653303
1981	75.30978401284312
1982	75.69605222688496
1983	75.78050883992587
1984	75.80428809437001
1985	75.92783867278362
1986	76.68630839496049
1987	76.91348655420872
1988	76.70689197918628
1989	77.57208548598355
1990	77.65876821847795
1991	77.53676569928649
1992	77.01705777499365
1993	76.87013057549538
1994	77.34245490334715
1995	77.47534239488816
1996	77.80492213878078
1997	78.15110820035002
1998	78.65154124743523
1999	78.33091188924138
2000	79.22755615267783
2001	79.6967310278366
2002	79.9145693262535
2003	80.30975559748676
2004	80.83532331250305
2005	80.9707899287237
2006	81.5020783682635
2007	81.83393910952951
2008	82.25580914438225
2009	82.75785087713024
2010	83.03343096643646
2011	83.47390909581041
2012	84.02078489419966
2013	84.48014846773825
2014	85.21429997410277
2015	85.67291711368759
2016	86.10090555916243
2017	86.6006718652056
2018	86.83238224593369
2019	87.1436955924022
2020	84.57853400102621
2021	84.67211456882457
2022	85.3654650211862