Annual % of cohort
1960 35.33453948838168
1961 35.84697992439016
1962 36.2353787493921
1963 36.639285847239066
1964 37.32442812559069
1965 37.49080182696195
1966 37.32320981978417
1967 37.86870598920891
1968 38.50380250946253
1969 38.848078712518486
1970 39.350632255371224
1971 40.097892418498986
1972 40.232534781374156
1973 41.13974800500544
1974 41.460756551937685
1975 41.975182553132335
1976 43.10416162783068
1977 43.915068751351086
1978 44.49654709155695
1979 45.08251581721604
1980 45.59856778762556
1981 46.20891443262089
1982 46.523759557565825
1983 45.35363653593908
1984 45.44201868199455
1985 45.706485860067666
1986 46.176847616732715
1987 46.663903868065525
1988 46.255650217854516
1989 47.063558641533604
1990 46.952327098083195
1991 46.53895631381189
1992 46.075283759372454
1993 46.19243371376836
1994 46.301467730934576
1995 46.13391990175553
1996 45.7108956697751
1997 45.610231139744435
1998 44.99903078313954
1999 45.67434811669588
2000 45.919875398248976
2001 45.89322734268992
2002 46.17157839677773
2003 46.62453979069101
2004 47.12459940478093
2005 47.99318288179503
2006 49.12313819951568
2007 50.166019171207694
2008 51.13165600244177
2009 52.56189383343262
2010 53.71229259819946
2011 55.082384272840756
2012 56.207314793825546
2013 57.28741345113718
2014 58.225495636417875
2015 58.9988800893922
2016 59.89142069872569
2017 60.61642866132435
2018 61.34405306818645
2019 62.060995559028974
2020 61.158542718902076
2021 59.76081397861456
2022 60.72700886329873