Annual % of cohort
1960 37.3188949802897
1961 37.743450546944686
1962 38.33147214269434
1963 38.816971541346874
1964 39.34738722727641
1965 37.9752895552866
1966 38.681109205166074
1967 39.11339211218451
1968 41.19009333625081
1969 41.6532806805519
1970 41.54479988920934
1971 38.067743913644556
1972 43.34935538446374
1973 44.048270664191676
1974 44.75969881126686
1975 45.523131535952295
1976 46.090453127822585
1977 46.43825754440974
1978 46.83235040612813
1979 47.168115985305946
1980 47.66478360865023
1981 48.291850953844126
1982 48.935187498005256
1983 49.708513209097056
1984 50.39348299339486
1985 51.14424065622802
1986 51.964248421352345
1987 52.449690894299735
1988 52.93207970197967
1989 53.403969538967836
1990 54.08099483506614
1991 54.2676292207946
1992 55.12636570663289
1993 55.60195680289491
1994 56.07573932961418
1995 56.499141268825255
1996 56.97278839521496
1997 57.48867737325949
1998 58.23941824758094
1999 59.10889160402039
2000 59.39800666527655
2001 59.89815634270066
2002 60.5682972209675
2003 61.190666636057976
2004 61.6929121608073
2005 62.2211793238445
2006 62.78906030904452
2007 63.006051943912446
2008 63.27846702454865
2009 63.59143772044284
2010 64.23607501539138
2011 64.70263665967504
2012 65.3321723883859
2013 65.98831145256575
2014 66.89337957417146
2015 67.725859304045
2016 68.44706776825944
2017 68.9475980306385
2018 69.34173420411894
2019 69.57883452464297
2020 68.02290123611878
2021 62.944599478393464
2022 64.3874321576787