Annual % of cohort
1960 34.80590926720493
1961 35.60857765025912
1962 35.68872702230574
1963 37.624886643047525
1964 38.5280004894776
1965 39.25548520033094
1966 39.66134408249235
1967 40.02736473033536
1968 40.48568703998484
1969 41.09882427504013
1970 41.73251777479197
1971 42.63241247938503
1972 43.33364114395041
1973 43.578533346070024
1974 44.772990455577855
1975 45.24848140283658
1976 45.99719295503082
1977 47.85253247796001
1978 48.45300067459484
1979 50.16633640779077
1980 49.64928588597084
1981 47.70850863663435
1982 48.01470458541937
1983 50.63263477146431
1984 53.526879241910294
1985 54.69523261470529
1986 55.33079607415378
1987 56.82719634945794
1988 57.419334504977165
1989 60.08124639060329
1990 59.938906773085186
1991 62.31464360938301
1992 63.37701322116539
1993 63.95961247662537
1994 63.926910686251354
1995 64.45190642316392
1996 65.27039641460789
1997 65.73836630456823
1998 66.23581128197485
1999 66.96760278930375
2000 67.47021633044048
2001 68.07603840271582
2002 68.76147712762946
2003 68.16106978583127
2004 68.9703542591315
2005 69.47924257839438
2006 69.44523170913719
2007 70.01862461130767
2008 70.60224359239244
2009 71.33934440804236
2010 71.493999180973
2011 71.83201595981558
2012 71.50149242164537
2013 71.42117518053426
2014 72.1699759182905
2015 72.71962202167589
2016 72.94009207829627
2017 73.76744594647049
2018 74.36816358763585
2019 74.69023765834375
2020 72.24700165628198
2021 72.06889603679842
2022 72.73613154640542