Annual % of cohort
1960 35.334539488381694
1961 35.84697992439016
1962 36.2353787493921
1963 36.63928584723908
1964 37.32442812559071
1965 37.490801826961956
1966 37.323209819784154
1967 37.86870598920891
1968 38.50380250946253
1969 38.848078712518486
1970 39.35063225537123
1971 40.09789241849898
1972 40.23253478137415
1973 41.139748005005444
1974 41.46075655193768
1975 41.975182553132335
1976 43.10416162783068
1977 43.91506875135108
1978 44.496547091556955
1979 45.08251581721605
1980 45.598567787625576
1981 46.20891443262089
1982 46.52375955756584
1983 45.353636535939074
1984 45.44201868199455
1985 45.706485860067666
1986 46.1768476167327
1987 46.663903868065546
1988 46.25565021785453
1989 47.063558641533604
1990 46.95232709808318
1991 46.538956313811894
1992 46.07528375937243
1993 46.192433713768374
1994 46.30146773093459
1995 46.13391990175553
1996 45.71089566977512
1997 45.61023113974443
1998 44.999030783139524
1999 45.67434811669589
2000 45.91987539824897
2001 45.89322734268992
2002 46.17157839677772
2003 46.62453979069101
2004 47.12459940478094
2005 47.99318288179503
2006 49.12313819951568
2007 50.1660191712077
2008 51.13165600244177
2009 52.56189383343262
2010 53.712292598199454
2011 55.08238427284077
2012 56.20731479382553
2013 57.28741345113718
2014 58.2254956364179
2015 58.9988800893922
2016 59.89142069872569
2017 60.61642866132436
2018 61.34405306818643
2019 62.06099555902898
2020 61.15854271890206
2021 59.76081397861455
2022 60.727008863298735