Annual % of cohort
1960 36.949921599888526
1961 37.31834689395377
1962 37.80211369065339
1963 38.202984000953755
1964 38.76450981878391
1965 37.5815962450599
1966 38.431957927478926
1967 39.020705033719814
1968 41.0357840647582
1969 41.592764395050665
1970 41.131483970564375
1971 40.10927308936623
1972 43.153552380244115
1973 43.822228256970995
1974 44.53935211011577
1975 45.5163146572099
1976 46.3859449322252
1977 47.366633619245725
1978 48.36305598562695
1979 49.4161395968749
1980 50.505339723975624
1981 51.59585366839885
1982 52.589732885458474
1983 53.59722420558918
1984 54.506562858696384
1985 55.203490826906524
1986 55.940524888445815
1987 56.60650204582101
1988 57.36946985489131
1989 57.89539320565832
1990 58.68578365738997
1991 58.9141871366562
1992 59.81646461424248
1993 60.09701530008329
1994 60.66752262651808
1995 61.133839975162175
1996 61.58012583705837
1997 62.64075343644346
1998 63.733131778502795
1999 64.80638036248244
2000 65.48175316423134
2001 66.27781531027574
2002 67.18306755260923
2003 68.06110874896227
2004 68.72716212343651
2005 69.5744373228153
2006 70.55956472679426
2007 71.17213795598067
2008 71.9054726625903
2009 72.38641587412013
2010 73.19493259684948
2011 73.65853765662128
2012 74.18960360499426
2013 74.62069483965641
2014 74.83467853375936
2015 75.12425416092306
2016 75.49652103318257
2017 75.9855118833346
2018 76.42454425713181
2019 76.91356326998083
2020 75.76567376192898
2021 71.44852484750561
2022 72.9367093172103