Annual % of cohort
1960 29.672268271450942
1961 29.91767675609514
1962 30.724001928841727
1963 30.813268804228322
1964 31.313082749244426
1965 31.44374283891464
1966 31.424764749033088
1967 31.340404554786264
1968 32.00525747910229
1969 32.314116721142256
1970 33.179404467602694
1971 33.80365059566012
1972 33.977660835733694
1973 35.142457323634375
1974 35.42583140143312
1975 35.9465763566022
1976 36.695302135173804
1977 37.22807962755554
1978 37.434779042013766
1979 38.118350939278045
1980 38.616834779934784
1981 39.10427483380694
1982 39.30080014421532
1983 38.09125623951158
1984 37.807855765286625
1985 38.00291099327056
1986 38.38680900613655
1987 38.44093436762401
1988 37.94591299958813
1989 39.02167685112454
1990 38.5950079155613
1991 38.44309050932149
1992 37.91094053250703
1993 37.97378324501158
1994 38.76157581138446
1995 38.50324226802821
1996 38.16371280606369
1997 38.32977472307958
1998 37.583199794628534
1999 38.534024853709326
2000 39.84616719632368
2001 40.14190899506294
2002 40.46994861391096
2003 41.08044926397811
2004 41.70240338692041
2005 42.522265293870056
2006 43.66000001850505
2007 44.50020707402376
2008 45.35112122405577
2009 46.39916242425854
2010 47.37110974214884
2011 48.39874079320439
2012 49.29584600298014
2013 50.006139001798566
2014 50.702460267122326
2015 51.337577151253384
2016 52.20148548781785
2017 52.85642210339352
2018 53.429028884727785
2019 54.056731075833525
2020 52.520336424879666
2021 50.76557033180101
2022 51.925299706998246