Annual % of cohort
1960 51.20077237533653
1961 53.54225402541165
1962 56.65281598149218
1963 57.176013032377895
1964 57.92993039665565
1965 57.86520623180081
1966 58.526363126412065
1967 59.120900415168286
1968 59.735202405236336
1969 60.1207880127223
1970 60.472862286194285
1971 60.906637417794215
1972 61.86922123337735
1973 62.64103532224921
1974 63.31652536275083
1975 64.0009876575625
1976 64.67714867710082
1977 65.46586153363654
1978 66.09701126364179
1979 66.78635360062471
1980 67.34282244949772
1981 68.02038894568001
1982 68.59009317632425
1983 69.03040784506388
1984 69.50607978863351
1985 69.91175627375733
1986 70.52621063949681
1987 70.93886210691808
1988 71.24629251220298
1989 71.69398052910168
1990 71.9342520767652
1991 72.03057716585504
1992 72.48071824246274
1993 72.75303787008752
1994 72.96704761418515
1995 73.22059404586442
1996 73.46310258403402
1997 73.92693147975828
1998 74.37511141259856
1999 74.69473434886912
2000 75.13255237259222
2001 75.71111261786109
2002 76.0789138592105
2003 76.49615142950687
2004 76.77121305778465
2005 77.3502701947321
2006 77.88703593310397
2007 78.26616116634082
2008 78.43579037824955
2009 79.01406779311311
2010 79.3696981104709
2011 79.779243034861
2012 80.13043113794528
2013 80.45589150212659
2014 80.72279390508041
2015 80.91906019206854
2016 81.17140395963523
2017 81.4474483039659
2018 81.7053924874891
2019 81.93864549773093
2020 80.7704067170808
2021 79.02892635141149
2022 79.981212023429