Annual % of cohort
1960 37.24584610938527
1961 37.690979465924535
1962 38.32538391002231
1963 38.669827237624574
1964 39.21784283825914
1965 38.3535180674252
1966 38.949300633003794
1967 39.132050416036655
1968 40.48438221135515
1969 41.04354368463198
1970 41.069553390317
1971 38.84706483421804
1972 42.443587999796094
1973 43.31660100969081
1974 43.92087884650148
1975 45.04722442884747
1976 45.713670235177844
1977 46.28356120747617
1978 46.709785765061625
1979 47.16660693248432
1980 47.79064825399809
1981 48.401693997867916
1982 48.90944589028139
1983 49.58996760653631
1984 50.215924810156025
1985 50.849493537703374
1986 51.43483330318321
1987 51.934538017595365
1988 52.336499453933435
1989 52.80010464388983
1990 53.294577842423536
1991 53.52674208535618
1992 54.073885299536116
1993 54.407995846667376
1994 54.78743914978682
1995 55.18204912448567
1996 55.54899012358437
1997 55.98661570239458
1998 56.59247241813792
1999 57.29126285101174
2000 57.61595209421572
2001 58.04476808281233
2002 58.65050602244273
2003 59.20749967161542
2004 59.69532112930405
2005 60.244182228101
2006 60.79220347024886
2007 61.09449606698786
2008 61.2819478671529
2009 61.80188507561104
2010 62.295742844536015
2011 62.86591565156514
2012 63.429261641082675
2013 64.00127662231674
2014 64.77076983496195
2015 65.45057042409196
2016 66.0830260682951
2017 66.5616548320047
2018 66.94488100144115
2019 67.19951978657176
2020 65.88251992326846
2021 61.77990982956176
2022 63.35808645296164