Annual % of cohort
1960 49.09215767522404
1961 50.599329437471006
1962 52.15254915586403
1963 53.43172651961328
1964 54.09541287523828
1965 55.95353569454479
1966 56.909110308581425
1967 57.829786367295405
1968 58.72476274751853
1969 59.22323572053984
1970 59.950381734355176
1971 60.59585164644042
1972 61.13372354485447
1973 60.92767533851061
1974 61.85404085004534
1975 61.91160163366842
1976 63.10529558763352
1977 63.512827077503566
1978 64.27513304726126
1979 65.00570612722228
1980 64.81454049003176
1981 64.8817106082729
1982 65.18797685671217
1983 66.11692771842758
1984 67.0667369929807
1985 67.93219996174057
1986 68.26705027902307
1987 68.73516679036635
1988 69.34255986891122
1989 69.52357520987225
1990 69.88915034753484
1991 70.11852389165641
1992 70.41776980515007
1993 70.64098582003318
1994 71.00000435158306
1995 71.30743730157327
1996 71.58834250494337
1997 71.74961887194912
1998 72.1534377627937
1999 72.25371229910445
2000 72.02501785979963
2001 72.14912864705603
2002 71.50349155422472
2003 72.05608113128905
2004 72.26564229031361
2005 72.42736696531725
2006 72.59591452265326
2007 72.439661903215
2008 72.75503524386129
2009 72.5317503617952
2010 73.15835161949953
2011 73.425175286349
2012 73.38035443932579
2013 73.43509529762098
2014 73.46444882906127
2015 73.27896317548142
2016 73.69016654670293
2017 74.26817481963313
2018 74.43213469839712
2019 74.56616414352949
2020 74.675055016422
2021 74.26347698713269
2022 75.44174095012903