Annual % of cohort
1960 46.48700678811029
1961 47.22590572485078
1962 47.883216836970824
1963 47.663787465972426
1964 48.89836975443071
1965 50.251574166656845
1966 50.744597835599095
1967 51.07493735503926
1968 51.49105305805664
1969 51.52559737072929
1970 52.13302953532277
1971 52.565594974190184
1972 53.06962984553576
1973 53.89390318686374
1974 49.8195939550287
1975 52.62162845200231
1976 52.94074188338132
1977 53.694910724662385
1978 53.90505811688702
1979 54.43854289673358
1980 55.070705788485355
1981 55.676840169288674
1982 56.300506593933385
1983 56.53405768152016
1984 57.08001708967155
1985 57.46572626827879
1986 58.53924297131453
1987 59.177567348001
1988 59.46087477150288
1989 61.259098344845704
1990 61.07451897086711
1991 61.004835898768185
1992 60.85516881619516
1993 60.988577013304926
1994 60.679352580119954
1995 60.89724932794743
1996 61.45961367691925
1997 61.6301202437856
1998 61.402982018259124
1999 61.36066252480057
2000 63.426265552005034
2001 63.96819644226468
2002 64.20749144201461
2003 64.75481622349369
2004 65.24370466067978
2005 65.92667822624477
2006 66.4914742002919
2007 67.16470688978505
2008 68.1488399077414
2009 69.01449262751147
2010 69.9237597951831
2011 70.40763783158712
2012 71.07931727993525
2013 71.73971354691912
2014 72.2190518225821
2015 72.85759476003615
2016 73.43901021182293
2017 74.07202143525974
2018 74.5576223992916
2019 74.92209865805792
2020 73.94929680514151
2021 72.97183482361459
2022 73.60715189068725