Annual % of cohort
1960 35.891548402280485
1961 36.71387277707617
1962 36.873346833002834
1963 38.72377472436469
1964 39.623863159780704
1965 40.366450812300194
1966 40.78424175552604
1967 41.19775507867873
1968 41.67952061296006
1969 42.31664801334183
1970 42.983510832298656
1971 43.91662724270331
1972 44.657247611711306
1973 45.01225278861359
1974 46.2304416253283
1975 46.79966119546628
1976 47.59510122017182
1977 49.426438436995525
1978 50.11688588043817
1979 51.81706552200083
1980 51.540232521320505
1981 49.98868090378527
1982 50.40038104866167
1983 52.85886785725584
1984 55.5251116563465
1985 56.66736913734323
1986 57.327569687219714
1987 58.74190209815412
1988 59.378691653064756
1989 61.797036447411166
1990 61.68829987882795
1991 63.8033195848254
1992 64.87370929759534
1993 65.49089927868577
1994 65.524109988671
1995 66.04608876344005
1996 66.7888824493375
1997 67.22787401453786
1998 67.7646544855698
1999 68.44151182118767
2000 68.97008160943615
2001 69.63848717773996
2002 70.29080826892599
2003 69.89074074384807
2004 70.65423113022115
2005 71.21795136106552
2006 71.31124470541333
2007 71.96336079933457
2008 72.62282047174642
2009 73.3978212970329
2010 73.66853382239864
2011 74.11020071679869
2012 73.93762774362521
2013 73.94816018191828
2014 74.61919611148859
2015 75.13282329968563
2016 75.38882647091116
2017 76.08843545382663
2018 76.57977253328151
2019 76.85621732739598
2020 74.50254564445041
2021 74.39916605594293
2022 75.16574147572389