Annual % of cohort
1960 77.16807710782922
1961 77.74228620197505
1962 77.6782942194776
1963 78.12196955269818
1964 78.84949921282586
1965 79.03607939488997
1966 79.47748854720251
1967 79.7283651714322
1968 79.7626820061357
1969 79.69041408002029
1970 80.0855302212618
1971 80.49036446797597
1972 80.81895507382328
1973 81.07597774675402
1974 81.55940434575191
1975 81.81269385319996
1976 82.0986403590728
1977 82.48723528590736
1978 82.74008010142707
1979 83.06913399091727
1980 83.09431592089767
1981 83.58584027018367
1982 83.88349746407853
1983 83.96705358561114
1984 84.22310223387771
1985 84.38769773768423
1986 84.96000959386191
1987 85.14136641718231
1988 85.30176710184185
1989 85.62513697867672
1990 85.79320508401773
1991 85.97013123685721
1992 86.16287875493889
1993 85.93849981959832
1994 86.05399004857686
1995 86.1544194651724
1996 86.52962639945824
1997 86.83073114011695
1998 87.09114691573983
1999 87.09330878774438
2000 87.3011766317485
2001 87.50213450043198
2002 87.5702105814969
2003 87.62973236937833
2004 88.0285000704646
2005 88.16918093054868
2006 88.48426830574172
2007 88.7626677792215
2008 88.93496307536519
2009 89.14797143867217
2010 89.35937085919946
2011 89.52256282190577
2012 89.72498404981123
2013 89.87845028940919
2014 90.01099746502089
2015 90.10710141485184
2016 90.2555620362725
2017 90.44363220299303
2018 90.5574156804885
2019 90.73794107436404
2020 89.66291300136533
2021 89.12365298124809
2022 89.85915568335453