Annual % of cohort
1960 58.659918702008525
1961 59.13277761503103
1962 59.917272005892706
1963 60.3238605796033
1964 61.15071721025088
1965 62.07777181880999
1966 62.502408219671
1967 62.96626663797131
1968 63.41614455237469
1969 63.6485792789898
1970 64.27263482642063
1971 64.7180954152438
1972 65.21543031200133
1973 65.4711353260151
1974 65.66357686780806
1975 65.54696965221235
1976 66.1467638130486
1977 66.49283073145213
1978 66.67307709629904
1979 67.05080721809838
1980 67.92554411407757
1981 68.20309806724416
1982 68.58501937294125
1983 68.97476193440467
1984 69.62649271509883
1985 70.0386571563074
1986 70.51389614602364
1987 70.98526901334799
1988 71.44054624933138
1989 71.87280560064883
1990 72.2115058197207
1991 72.34810559688904
1992 72.57485990225867
1993 72.71659006436246
1994 72.51044637524241
1995 72.72434332938141
1996 72.81151988365224
1997 72.87886345258282
1998 72.76463934537506
1999 72.5738059691432
2000 73.40237769236246
2001 73.76305444555425
2002 73.73680607682199
2003 73.88120396511765
2004 74.2175323597065
2005 74.63510415912322
2006 75.09318956038803
2007 75.60646531541448
2008 76.04299487277312
2009 76.39904306779141
2010 77.0915013298916
2011 77.50999157234256
2012 77.85517746572037
2013 78.42094746285002
2014 78.99676817164176
2015 79.41912202714877
2016 79.9643260056424
2017 80.55302205631234
2018 80.89041139811901
2019 81.02578709007882
2020 80.71172446756711
2021 79.48552661749714
2022 80.08706500274302