Annual % of cohort
1960 75.90226951606569
1961 76.52397802645396
1962 76.5778094692524
1963 76.92975341534927
1964 77.59632883657424
1965 77.87742514982843
1966 78.31044327647173
1967 78.72639724822419
1968 78.75677883849329
1969 78.82886537829457
1970 79.21282042563041
1971 79.67596536486487
1972 80.07653532791781
1973 80.42410131129232
1974 80.91720373683373
1975 81.32565209014571
1976 81.69017332771571
1977 82.15574781076552
1978 82.465653464742
1979 82.9268805855036
1980 83.02365194844944
1981 83.53553700946783
1982 83.8418292177499
1983 83.98262150319017
1984 84.36181354395501
1985 84.4594739826141
1986 84.86069890423505
1987 85.10248091758189
1988 85.33814527542961
1989 85.61233386607937
1990 85.86364496942464
1991 86.05502558634056
1992 86.3439559962908
1993 86.4413287990114
1994 86.7046579671399
1995 86.8266814171351
1996 87.14016977093144
1997 87.42076697055316
1998 87.65978835024025
1999 87.73910161600345
2000 88.05490333891265
2001 88.2592931283598
2002 88.41985677999851
2003 88.5291547203747
2004 88.82400772922654
2005 88.93478578182503
2006 89.11861021486924
2007 89.2662064171794
2008 89.39801488508611
2009 89.55076585851737
2010 89.77023311014419
2011 89.79050334795109
2012 90.0079762209389
2013 90.12267429735988
2014 90.21552153168622
2015 90.18408158793908
2016 90.18112988992804
2017 90.24586961035992
2018 90.31378303883524
2019 90.46673111753189
2020 89.24259335528475
2021 88.88765397737836
2022 90.12478411116716