Annual % of cohort
1960 34.899258789168364
1961 35.514716577562325
1962 36.114507118118226
1963 36.164151546274475
1964 37.24234682032893
1965 37.04285259938316
1966 37.55664213703216
1967 38.42917892262674
1968 38.93514732621477
1969 39.255621407666666
1970 37.09967568660226
1971 35.07116472112421
1972 40.03727993968333
1973 40.83059946124843
1974 40.70826748846819
1975 40.5174259114218
1976 41.266453054290494
1977 42.32196860730276
1978 42.92105229545925
1979 43.607706313633365
1980 44.25456510930102
1981 44.67182878563092
1982 45.11465076287514
1983 44.069890052978
1984 44.36630245556376
1985 44.80504195516483
1986 45.57008298098989
1987 46.30103756415452
1988 45.92978454632157
1989 46.720503562208016
1990 46.95938022171759
1991 46.41324350712069
1992 47.615795404150695
1993 48.220611167687274
1994 49.224171419252
1995 49.79958104448223
1996 49.69654791169719
1997 51.19890977527873
1998 52.201139941194384
1999 53.902174131996915
2000 54.440099362590864
2001 55.14372068543699
2002 55.90608328880536
2003 56.82888734500363
2004 57.432188903182606
2005 58.36249014346286
2006 59.24838613377577
2007 59.92443669223558
2008 59.828638272851066
2009 61.842683880184644
2010 62.69042805349926
2011 64.08893020701395
2012 65.32800494266125
2013 66.48101559629025
2014 67.11171831923286
2015 67.79729703160358
2016 68.78510499860428
2017 69.39781824163528
2018 70.15151058109105
2019 70.84967101611048
2020 69.357371618848
2021 68.3468454744508
2022 70.12723803178378