Annual % of cohort
1960 47.399506658205766
1961 48.147464757057136
1962 48.65062662419258
1963 49.14783819968034
1964 49.86184113687975
1965 50.33221007633197
1966 50.982015442719685
1967 51.44223216563135
1968 51.86914943937001
1969 52.32718783570254
1970 52.44463148680231
1971 53.56427298403117
1972 53.99504956497187
1973 54.80109739278637
1974 55.443814767339084
1975 56.11441845399988
1976 56.34288415819256
1977 56.99614606263529
1978 57.38505805382395
1979 57.82163109404889
1980 58.435646856959536
1981 59.08628723472032
1982 59.49119314999037
1983 60.33613114183716
1984 60.896880178329084
1985 61.471338443028216
1986 62.38363645082446
1987 62.982082306317615
1988 63.55077852925967
1989 63.855201533258246
1990 64.02800666355516
1991 64.51963651119489
1992 64.97363516059846
1993 65.41004505696118
1994 66.01270366517781
1995 66.38041060310807
1996 66.96760115020254
1997 67.50626526336217
1998 67.95816256074752
1999 68.53331575381765
2000 68.75191252992326
2001 69.06580757149221
2002 69.61137673538823
2003 69.96261042713161
2004 70.43707793101545
2005 71.08991078518669
2006 71.36628317216541
2007 71.57071308490943
2008 71.91200696364415
2009 72.25773584745457
2010 72.11785252365885
2011 72.87252657275779
2012 73.22926830879425
2013 73.72962177819232
2014 74.14750416661454
2015 74.12511999068623
2016 73.889406010996
2017 74.25034136503751
2018 74.38752810836732
2019 74.69416850624444
2020 69.81787080463705
2021 67.59495363826879
2022 71.69746149461284