Annual % of cohort
1960 31.65283270229955
1961 34.49259644044318
1962 38.752005804533745
1963 39.4141724538262
1964 40.245761398950286
1965 39.69677864392473
1966 41.00239842378512
1967 41.83466620155613
1968 42.92941176246217
1969 43.69240586468334
1970 44.31557579223204
1971 44.30747636736815
1972 46.34477283476499
1973 47.466159961515885
1974 48.18683252923695
1975 49.154346053303485
1976 50.040407815534586
1977 50.80227674838465
1978 51.435692751823865
1979 52.17864169777912
1980 52.82601831153006
1981 53.430043801347495
1982 54.08104486198476
1983 54.71141486929042
1984 55.41818911524835
1985 56.106925748057755
1986 56.82591289587129
1987 57.37034403593423
1988 57.723268381714476
1989 58.393510835038775
1990 58.689964633458416
1991 59.1197639720624
1992 59.620746669358006
1993 60.03488740335968
1994 60.55058554721913
1995 60.83373171015482
1996 61.215922976718964
1997 61.71907262022382
1998 62.142977374679006
1999 62.74899173888122
2000 63.22475653247877
2001 63.69538498250342
2002 64.21272253200912
2003 64.68811853780036
2004 65.04871107036863
2005 65.65509833023908
2006 66.19176744286084
2007 66.51009847368331
2008 66.73069979317302
2009 67.28578854786562
2010 67.6921439637843
2011 68.15218077013796
2012 68.5499817443988
2013 68.96807114542568
2014 69.54388297478853
2015 69.96281696056043
2016 70.33284350240453
2017 70.57729661862224
2018 71.05525979372531
2019 71.33277292823972
2020 69.64773612066487
2021 67.28674387641675
2022 68.70028023016205