Annual % of cohort
1960 35.33157697625478
1961 35.844110430687714
1962 36.23262114053974
1963 36.63655694105311
1964 37.32206951964824
1965 37.4881044887126
1966 37.32026464471572
1967 37.86560364664382
1968 38.500725359892115
1969 38.84491309208692
1970 39.34737151981566
1971 40.094551248181645
1972 40.22897557600534
1973 41.1361150639874
1974 41.456927853410036
1975 41.97117114688163
1976 43.10006873494594
1977 43.91079499289943
1978 44.4922031787558
1979 45.07809187382791
1980 45.59403698605798
1981 46.2043301643426
1982 46.519114320751996
1983 45.34872970899143
1984 45.43704114665128
1985 45.701476616590746
1986 46.17184230119953
1987 46.65876844945022
1988 46.250572931280715
1989 47.05857570638763
1990 46.947284793394715
1991 46.53378414401133
1992 46.06979720918856
1993 46.18689949307225
1994 46.29611434371671
1995 46.128836770080426
1996 45.705769108219194
1997 45.605127207109575
1998 44.99376327686753
1999 45.669418163084075
2000 45.915064437811395
2001 45.8884394391485
2002 46.16666706537486
2003 46.61981729628164
2004 47.12005440386908
2005 47.98877560430491
2006 49.11884730443351
2007 50.16191533934398
2008 51.12763302062416
2009 52.55808546393805
2010 53.70856573056797
2011 55.07889468300887
2012 56.204046297400545
2013 57.284262813060145
2014 58.22245980372485
2015 58.995966646652086
2016 59.88867586082722
2017 60.613795685082174
2018 61.34153766106427
2019 62.058577477461846
2020 61.156272062487155
2021 59.75868984827398
2022 60.72455882669989