Annual % of cohort
1960 78.7654374226067
1961 79.35794031050675
1962 79.24577370428871
1963 79.71950714026643
1964 80.51146067151645
1965 80.72457744437084
1966 81.18890391745292
1967 81.27572487296473
1968 81.39220015442038
1969 81.03347303614946
1970 81.71685634222952
1971 81.94035437061143
1972 82.48885228667456
1973 82.68254854074411
1974 83.18510783956872
1975 83.31847157687375
1976 83.63102211010283
1977 84.1076655590379
1978 84.33017502050586
1979 84.60609781404945
1980 84.66593705634037
1981 85.0209814781076
1982 85.31522606483964
1983 85.39626018303518
1984 85.74677250204154
1985 85.90275966086463
1986 86.17575940209319
1987 86.3975556463703
1988 86.64097074210473
1989 86.85167702998072
1990 86.97581789634805
1991 87.05771656760857
1992 87.36931956630333
1993 87.54523960799592
1994 87.82501362084504
1995 87.99419257256417
1996 88.20994265258
1997 88.50185920411695
1998 88.77317371056961
1999 88.97719775187824
2000 89.23699943194298
2001 89.47658779600394
2002 89.5915349776944
2003 89.59658596922736
2004 89.8809894506658
2005 90.05467599593865
2006 90.3204821416288
2007 90.49293160600536
2008 90.69085422082352
2009 90.82623293247981
2010 91.06662536356377
2011 91.16272070823422
2012 91.29477155619543
2013 91.44766220153889
2014 91.66554307491907
2015 91.59033624952228
2016 91.79414296224373
2017 91.89301702275415
2018 91.9593800801677
2019 92.17531646235874
2020 92.07354258761045
2021 91.76994013906167
2022 92.08866861089993