Annual % of cohort
1960 33.75142294803238
1961 34.51727418486562
1962 35.9223745312865
1963 36.64920386657971
1964 37.4016839951292
1965 38.221460063593106
1966 39.320730491178956
1967 38.98698141260027
1968 40.38665862471427
1969 41.29093710519048
1970 42.989651505678516
1971 38.87071373320332
1972 44.264124707694684
1973 44.854032202825195
1974 45.13958059351022
1975 45.79040167104084
1976 46.22515106678566
1977 46.4069024817919
1978 46.768652501464324
1979 47.11789827113522
1980 47.93367802230278
1981 48.667560495076174
1982 48.887752624140106
1983 49.39701765255743
1984 49.58692770532807
1985 49.809618416718
1986 49.86005172363736
1987 49.39776855526126
1988 49.23223010859551
1989 49.273507918793946
1990 49.11845054322449
1991 48.88822367833463
1992 48.640196989878795
1993 48.21516846178824
1994 47.804884694606734
1995 47.084909974402336
1996 47.093651781913735
1997 46.84599137885168
1998 47.2738662805338
1999 47.905922305077375
2000 48.686806729274885
2001 49.00218384743915
2002 49.5412852238624
2003 49.93589797207088
2004 50.222030003795474
2005 50.140280331322046
2006 51.27792180531341
2007 51.41940559845089
2008 51.73704710275408
2009 52.21551746851469
2010 52.76796665800743
2011 53.33230342080477
2012 53.58589253223106
2013 54.02170585094268
2014 54.18860203449131
2015 54.52921025238979
2016 54.94761875766935
2017 55.24463246116002
2018 55.541493536567245
2019 56.01373076052338
2020 54.45644340329147
2021 53.511980085485604
2022 55.062636317271966