Annual % of cohort
1960 57.94528441649429
1961 58.21174907453039
1962 57.89844326400396
1963 58.846857693705665
1964 59.696487763757865
1965 59.39066860135941
1966 59.47711604022143
1967 58.93928753591829
1968 58.8509090587351
1969 57.91937164987361
1970 58.155074223540495
1971 58.19254161767546
1972 58.60476755335392
1973 58.67424569537103
1974 58.76827158546753
1975 58.12172285222092
1976 57.87674980925905
1977 57.50517357391445
1978 57.32920084638076
1979 56.8462870060069
1980 56.56610226062836
1981 57.101190113007284
1982 57.60368060215032
1983 57.34263430678426
1984 56.865600990292364
1985 57.6255936931594
1986 60.01065968534438
1987 59.96168562389504
1988 59.66396919524136
1989 59.49410189959867
1990 58.87609253702577
1991 58.10898799394586
1992 56.21840145245798
1993 53.69199226364849
1994 52.90885116130079
1995 52.97786689034589
1996 54.61408725250461
1997 55.969920053737646
1998 56.887712895846825
1999 55.61047743335953
2000 55.71089860137982
2001 56.05153121857112
2002 55.83044279842435
2003 56.002530688074316
2004 56.6840094103284
2005 56.96188960292968
2006 58.708366987996264
2007 59.901253235229795
2008 60.56304375812738
2009 61.88185105553418
2010 62.55635010877078
2011 63.71615700217954
2012 64.66555102559147
2013 65.64677249132231
2014 66.38895670115194
2015 67.35967329721154
2016 68.41168399891988
2017 69.66789496995045
2018 70.10386214982576
2019 70.86443784132129
2020 66.8857159460132
2021 65.17888941527522
2022 66.35768841879442