Annual % of cohort
1960 42.74076876616238
1961 46.211152258830076
1962 51.21035504097075
1963 51.89506174605271
1964 52.694395769085695
1965 52.52044815608029
1966 53.36920393851482
1967 54.09564857741541
1968 55.047330632956694
1969 55.624332215753896
1970 56.30561574403546
1971 57.19498603425132
1972 57.912229285523146
1973 58.95023086743969
1974 59.902322745925034
1975 60.86093185836131
1976 61.69144149457814
1977 62.670543940694245
1978 63.50301354559785
1979 64.36451616264301
1980 65.14748613094203
1981 65.97663520593323
1982 66.75987276328226
1983 67.5411876538347
1984 68.15741143868657
1985 68.79233681051674
1986 69.65723797583041
1987 70.21468165787292
1988 70.72431441520348
1989 71.29782005241124
1990 71.61025055718505
1991 71.89656612327602
1992 72.48079405405028
1993 72.93625812155959
1994 73.20708615872951
1995 73.7403268295241
1996 74.11858676403538
1997 74.62912571178502
1998 75.21608902377258
1999 75.45681453313996
2000 76.07182525416626
2001 76.86988416334582
2002 77.33197138033432
2003 77.76751354106895
2004 78.09601109884399
2005 78.83245006074247
2006 79.39127390113973
2007 79.84534446318771
2008 80.11007588889788
2009 80.68084348624086
2010 81.03636122880835
2011 81.45091558394796
2012 81.82558408519184
2013 82.14365771158532
2014 82.4745685620103
2015 82.70482387033567
2016 82.9779390210931
2017 83.27102982153505
2018 83.58479126189313
2019 83.8372487788633
2020 82.61829266873336
2021 80.3954712900695
2022 81.32192766964683