Annual % of cohort
1960 55.35642158116513
1961 56.126385314244175
1962 56.68590307437001
1963 57.26858880177305
1964 57.99003548921061
1965 58.63042589337525
1966 59.21339228983903
1967 59.77968992626725
1968 60.340178495010484
1969 60.852781683600746
1970 60.79657023816624
1971 62.230197646284154
1972 62.8186767292658
1973 63.74645032899887
1974 64.38469836890496
1975 65.30127192536793
1976 65.67683677468261
1977 66.72555236328081
1978 67.36370127673068
1979 67.98293330907734
1980 68.61092306677821
1981 69.45491673165958
1982 69.98759425021746
1983 70.754328191599
1984 71.36622962028507
1985 71.69496118693203
1986 72.70062128037856
1987 73.38174691949011
1988 73.99617882374864
1989 74.59125537654779
1990 75.15560755666142
1991 75.66277050440941
1992 76.14644713182598
1993 76.61799669838004
1994 77.09109808351576
1995 77.59636742709144
1996 78.14813738761599
1997 78.67777451930785
1998 79.00828257851299
1999 79.6357209249208
2000 80.27556706854585
2001 80.67581477985021
2002 81.12473810828517
2003 81.28055731851799
2004 81.75015935151468
2005 82.22328609109034
2006 82.5097280307043
2007 82.72637987510204
2008 83.02042839012826
2009 83.29577277982801
2010 83.10929888249363
2011 83.863446834972
2012 84.24346266312921
2013 84.54015228785931
2014 84.8179494652761
2015 84.96821678062153
2016 85.05825826252403
2017 85.15592850742028
2018 85.3353037893337
2019 85.60795336653146
2020 82.39243854185584
2021 80.64081068772262
2022 82.925886822697