Annual % of cohort
1960 34.117470370782236
1961 37.15275674015182
1962 41.61540514426214
1963 42.394255186494284
1964 43.271418985062205
1965 42.564685055970465
1966 43.85716993944603
1967 44.62014301875387
1968 45.64435125067965
1969 46.24783308415743
1970 47.05461174246121
1971 48.12697854855576
1972 48.906586323610924
1973 49.99948405069042
1974 50.78811777394135
1975 51.65446798331136
1976 52.44713043796366
1977 53.160085971954125
1978 53.76982856415929
1979 54.44298820572627
1980 54.95604877830063
1981 55.5999550234019
1982 56.35245131490143
1983 57.057826561279036
1984 57.80954292302866
1985 58.59904334040733
1986 59.55039845418068
1987 60.11834978888775
1988 60.53794862945127
1989 61.09517120027415
1990 61.33563908165058
1991 61.87389039662677
1992 62.29185635872523
1993 62.470867425555596
1994 62.861611788555024
1995 63.3496037953054
1996 63.96045009150804
1997 64.60476451042358
1998 65.11695079987734
1999 65.39084253577032
2000 65.78532503353026
2001 66.26392825950866
2002 66.78963382118307
2003 67.17738732764263
2004 67.61136130437622
2005 68.28478638604047
2006 68.8754932276724
2007 69.30891055929742
2008 69.58790434345893
2009 70.13008388310047
2010 70.4891093313167
2011 70.96985782347461
2012 71.46523236269105
2013 71.98927021340917
2014 72.61219178029546
2015 73.08991174449388
2016 73.45435653711398
2017 73.73933099331315
2018 74.24506822309318
2019 74.55611464747845
2020 72.76261603315707
2021 70.07787136925052
2022 71.51536010193469