Annual % of cohort
1960 25.96633420981132
1961 26.34903501505918
1962 27.587542289679536
1963 27.90462206449502
1964 28.1279267058371
1965 28.579935715411604
1966 28.838210362950953
1967 27.541277438485164
1968 28.532074228812032
1969 28.928031073500147
1970 30.421166834261136
1971 31.156633431584527
1972 32.083893764666655
1973 32.94483985510487
1974 33.75869495127897
1975 34.632236643803495
1976 35.64496064251233
1977 36.50073416636607
1978 37.05582817499469
1979 37.495040345818886
1980 37.821656296257856
1981 38.20836617608386
1982 38.409524895291625
1983 38.74407230587077
1984 38.8938847837126
1985 38.852860609323514
1986 38.857882576128276
1987 38.85013426338648
1988 39.311961838427926
1989 39.513311812500255
1990 39.142505937624165
1991 39.119226930789694
1992 39.09348709667885
1993 39.19588589697026
1994 38.829176276112115
1995 38.847995684149275
1996 38.890853591702964
1997 39.05077134575721
1998 39.55883417490621
1999 40.0974456146714
2000 40.851669060432656
2001 41.27353502958412
2002 41.6608956117205
2003 42.23422062954939
2004 42.8128943782619
2005 43.54324296070321
2006 44.298151527173836
2007 44.833907737056066
2008 45.51115051173345
2009 46.23690621884967
2010 46.82657279351375
2011 47.48260514159668
2012 47.92648815469461
2013 48.36679937372127
2014 48.6826582437792
2015 49.03609577572073
2016 49.827003248107175
2017 50.09984410791356
2018 50.56738948368444
2019 50.98632600314245
2020 49.34627689504316
2021 48.53145076145587
2022 50.11266997636696