Annual % of cohort
1960 21.537049875533928
1961 27.515029302080215
1962 36.9349702696925
1963 37.73178757579336
1964 38.92697699090381
1965 38.29635136901837
1966 40.75883480276437
1967 42.360998596563206
1968 43.2710825016314
1969 44.57525389233214
1970 45.842505190146774
1971 47.52755003447952
1972 48.5881181057142
1973 50.27807248289029
1974 51.213445137861676
1975 52.71503838925292
1976 54.145786699776146
1977 55.29119204044072
1978 56.30208621463486
1979 57.394455785362176
1980 58.3657682187829
1981 59.3100827497166
1982 60.21173646126508
1983 60.96285521174042
1984 61.785270913858874
1985 62.53423752271857
1986 63.14331806487324
1987 63.8078421971582
1988 64.30094614992053
1989 64.90253323431688
1990 65.35591920579273
1991 66.05503360149865
1992 66.89932008826152
1993 67.50254846520046
1994 68.11325029140644
1995 68.70296833478224
1996 69.1377066212319
1997 69.7725505816793
1998 70.28474122010209
1999 70.78887087206307
2000 71.27041760924254
2001 71.82624705393675
2002 72.40783771338376
2003 72.82397827272949
2004 73.00687822366577
2005 73.75667341192413
2006 74.28894555854178
2007 74.60663203361496
2008 74.56074272341142
2009 75.22095243087584
2010 75.54268842608695
2011 75.87910529655359
2012 76.13546711439665
2013 76.43052812922105
2014 76.84481047741775
2015 77.11009833751042
2016 77.30447046602383
2017 77.16270247054679
2018 77.93422220773542
2019 78.26194432250776
2020 77.96274073268461
2021 77.21006733765608
2022 78.27699118634656