Annual % of cohort
1960 33.93555364734328
1961 36.55830975355288
1962 40.41510398273785
1963 41.10937465797593
1964 41.97273456819411
1965 41.425549264595574
1966 42.623381367933945
1967 43.315401598981175
1968 44.30041915398647
1969 44.88489008876315
1970 45.483389633418795
1971 45.44010876045846
1972 47.34035455596338
1973 48.37268754079557
1974 49.05388017334641
1975 49.86557719482216
1976 50.63763842036177
1977 51.3023246732442
1978 51.85751431607024
1979 52.49428952214189
1980 53.05042565760078
1981 53.66550901205486
1982 54.30686102178304
1983 54.851342015055266
1984 55.46017150229496
1985 56.16703080642762
1986 57.03454226888838
1987 57.538464654514385
1988 57.846821685442116
1989 58.43026493936759
1990 58.65904595389998
1991 59.025477411371774
1992 59.4090158855105
1993 59.57557442126221
1994 59.982536647998735
1995 60.34887093228113
1996 60.84603853978878
1997 61.43503354524373
1998 61.88545883632379
1999 62.36382826431278
2000 62.79696988978637
2001 63.24392518490387
2002 63.72924389614102
2003 64.11639823521901
2004 64.51609836108506
2005 65.12764206083743
2006 65.75207312612466
2007 66.13578025108065
2008 66.36733442908272
2009 66.95429567066147
2010 67.36297023112697
2011 67.87257987451898
2012 68.28922799257714
2013 68.73275637284779
2014 69.31197513356095
2015 69.7631409016032
2016 70.15778886053624
2017 70.45506612096615
2018 70.92881580807399
2019 71.23356643808903
2020 69.47948532836477
2021 67.07433077276113
2022 68.466256147662