Year	% of cohort
1960	35.32682722480619
1961	35.894850916114834
1962	36.35428587084895
1963	36.723652673408495
1964	37.65162110555501
1965	37.69881410293329
1966	37.343341226121325
1967	38.39687096831686
1968	38.84296424656088
1969	39.25939104519939
1970	39.685013747644994
1971	40.45321576812617
1972	40.155254212734356
1973	41.15656784213872
1974	41.31877332994086
1975	41.69145415920477
1976	42.821025321452964
1977	43.337151642371964
1978	43.88719414000207
1979	44.56535474225388
1980	45.20665981529523
1981	45.61132902320521
1982	45.94422351261388
1983	44.1717097594344
1984	44.182849350535676
1985	44.56270643530488
1986	45.800607685728004
1987	46.74748632142138
1988	46.2157480729146
1989	47.91909624538934
1990	48.08610117912332
1991	47.851408525381
1992	47.59033984035214
1993	48.68019938107744
1994	49.48957301964416
1995	48.42733263234531
1996	48.45520166539048
1997	48.998305532183245
1998	48.69939504723931
1999	50.14193430911277
2000	50.92465919591127
2001	51.45722679690232
2002	52.04018600403129
2003	53.763169258901826
2004	54.35832282909207
2005	55.32013654071228
2006	56.64717481779904
2007	57.79653117512523
2008	58.68201800883269
2009	59.97390209987351
2010	60.75361836465462
2011	61.78899113009977
2012	62.38013672818429
2013	63.23340540017702
2014	63.894320540697635
2015	64.54568166362988
2016	65.57399063562721
2017	66.29875686326244
2018	67.15784730675193
2019	67.81620363919777
2020	66.70487012141147
2021	65.81288637314735
2022	66.71755686051334