Annual % of cohort
1960 37.143204647533175
1961 42.796008500984314
1962 51.18079000848616
1963 52.031799569030944
1964 53.0349736063455
1965 53.33400554074643
1966 54.49128404991892
1967 55.62261692615484
1968 56.42176893800062
1969 57.26839054224414
1970 58.15837824630743
1971 59.397312127617056
1972 60.49961147636074
1973 61.82890536557948
1974 62.970954579959184
1975 64.03292780238542
1976 65.07770315010002
1977 66.18133412490688
1978 67.04035569934818
1979 68.02113534812345
1980 68.88150199241504
1981 69.73788158669572
1982 70.53235923788789
1983 71.34819664436549
1984 71.99335396943162
1985 72.616116039527
1986 73.39277655353314
1987 73.9653473534398
1988 74.42976557821251
1989 74.95522519460613
1990 75.21553435604405
1991 75.38962376006434
1992 76.15696300083987
1993 76.83946249557012
1994 77.1209214206218
1995 77.73292792010243
1996 78.03298162063307
1997 78.54039411626152
1998 79.16537225124809
1999 79.2965618782642
2000 79.9258009923833
2001 80.88504302835932
2002 81.23611809196966
2003 81.58741617504394
2004 81.68928343064351
2005 82.46170133941946
2006 82.94597318153765
2007 83.2766915099066
2008 83.37663901056689
2009 83.98835880599339
2010 84.32083705899221
2011 84.71371678018032
2012 85.14591242863877
2013 85.53772897053977
2014 85.91576960541057
2015 86.16565607850379
2016 86.43726778868721
2017 86.70952671454941
2018 87.01233398017234
2019 87.20816797431448
2020 85.9177794398223
2021 85.27940529431775
2022 86.06431390853716