Annual % of cohort
1960 33.03553491781529
1961 33.650251278999924
1962 34.5798234319169
1963 34.88389245565552
1964 35.693761332460575
1965 35.91848078038774
1966 36.65199878936808
1967 36.98860543674632
1968 37.77234011962202
1969 38.254374089589675
1970 37.81933079303158
1971 32.258504831436376
1972 39.614195928568364
1973 40.33704860189133
1974 40.50628139987013
1975 41.08016760689115
1976 41.783802795201225
1977 42.22790205831254
1978 42.49880964126037
1979 42.9468092183311
1980 43.722314339102226
1981 44.20798084743102
1982 44.332607597317526
1983 44.118107109927216
1984 44.044973090326685
1985 44.376778329385004
1986 44.87479247728813
1987 45.11872091020675
1988 44.95066482142326
1989 45.734329337609886
1990 46.00017752678253
1991 45.660485146259475
1992 46.0051803820644
1993 46.257515075092876
1994 46.88267550800536
1995 46.835748688935375
1996 46.952438489787326
1997 47.40858650012988
1998 47.708863104626396
1999 49.20972600760137
2000 49.941177080661625
2001 50.382696839450354
2002 50.81884325081459
2003 51.3220314203001
2004 51.696311533222435
2005 52.169070380816
2006 53.063098768900254
2007 53.39386932300245
2008 53.579773773806856
2009 54.49468722423121
2010 55.263953447549
2011 56.05121293022326
2012 56.324435753707384
2013 56.61168206770798
2014 57.18312150167962
2015 57.70060113207468
2016 58.37989026689104
2017 58.91538892872904
2018 59.483394165280174
2019 59.97596818824329
2020 58.57139786351425
2021 57.2962113179408
2022 58.75260809297245