Annual % of cohort
1960 66.8684670775301
1961 67.48806988237396
1962 67.06966558236924
1963 67.0931130551928
1964 68.02855958268037
1965 68.05845327138285
1966 68.5229356286128
1967 68.68625868250933
1968 68.57891030109016
1969 67.9348811014137
1970 69.06138203100357
1971 69.17910309401695
1972 69.67826017044348
1973 70.02008883800318
1974 70.42518142653289
1975 70.3113261946574
1976 70.70063487510069
1977 71.40480518657577
1978 71.52919214081756
1979 71.98297734926847
1980 72.20954904242281
1981 72.65037397428837
1982 73.2000994945123
1983 73.26468816919505
1984 73.83125499714656
1985 74.18481507311309
1986 74.738065453417
1987 75.24101242936872
1988 75.582124124496
1989 75.82609907750081
1990 75.93174971106262
1991 75.90950053203908
1992 76.5073334797587
1993 76.86457142559172
1994 77.38893721775547
1995 77.7371493371066
1996 78.3368531724325
1997 79.1540018661174
1998 79.62009022156047
1999 80.01771924856473
2000 80.49576639120174
2001 80.87815021689558
2002 81.22775937318096
2003 81.49541865305406
2004 82.28328678156035
2005 82.50857416580612
2006 82.94853667791281
2007 83.21141270535766
2008 83.57128620201802
2009 83.87065019191112
2010 84.26949736822347
2011 84.66046948286541
2012 84.9238194822547
2013 85.2868255351555
2014 85.69718022567126
2015 85.60466366044743
2016 85.98229999715026
2017 86.21495586367402
2018 86.36528429791375
2019 86.7760786176296
2020 86.35535446427225
2021 86.07966155518386
2022 86.92981228016596