Annual % of cohort
1960 31.79678812178286
1961 34.8029925581882
1962 39.31818776646527
1963 40.03267836706998
1964 40.86473817746443
1965 40.28279978096633
1966 41.682149472917736
1967 42.50724266862319
1968 43.63547977293733
1969 44.4218187878419
1970 45.053073470933704
1971 45.00559611575673
1972 47.18698779815259
1973 48.30371616870541
1974 49.04708092221941
1975 50.049323958918116
1976 50.94051992689737
1977 51.72084918516502
1978 52.38218644128423
1979 53.12948342687351
1980 53.78309176509554
1981 54.400372885184055
1982 55.101794968155346
1983 55.86406369846764
1984 56.65853223344355
1985 57.354055820672805
1986 58.062449958224235
1987 58.594535106095215
1988 58.9975368618655
1989 59.57324010157859
1990 59.90395538331719
1991 60.336900219621434
1992 60.89469716591019
1993 61.280127900143604
1994 61.74624433119393
1995 62.148236158432354
1996 62.5661634446028
1997 63.06635360874936
1998 63.61475349450828
1999 64.15107538042949
2000 64.52298698089398
2001 64.98625424721601
2002 65.51492623631039
2003 65.91520297503138
2004 66.27372108758262
2005 66.88628814089829
2006 67.38147199691366
2007 67.67441122195365
2008 67.87135951859366
2009 68.41118154120825
2010 68.80471681494609
2011 69.25691207003254
2012 69.70718084032556
2013 70.15231295010634
2014 70.74648664529184
2015 71.18918020446985
2016 71.55363710915125
2017 71.79546325486022
2018 72.30870700391337
2019 72.56495119794924
2020 70.89358730397628
2021 68.47389881928194
2022 69.96279261771708