Annual % of cohort
1960 30.941154663550307
1961 31.36364866727992
1962 32.08613379629296
1963 32.15967620080379
1964 33.04122881531447
1965 32.92014996584795
1966 33.493369086058976
1967 34.17851474916604
1968 34.65422943587482
1969 34.91867281754884
1970 33.157947382593385
1971 25.9926545675556
1972 35.31485604494681
1973 36.19286584086415
1974 36.12553435955168
1975 36.52426158689991
1976 37.35288457040323
1977 37.94621141003372
1978 38.070667161444355
1979 38.64793805762386
1980 39.26627754933555
1981 39.70941889477935
1982 39.90791361359072
1983 38.87086978170832
1984 38.58736997769786
1985 39.0013821518972
1986 39.70933237100824
1987 40.28873550155597
1988 40.03176984893774
1989 41.4814105996441
1990 41.81546067823223
1991 41.47226720424362
1992 42.25302876622122
1993 42.88706082816779
1994 44.17301832509402
1995 44.65142200886158
1996 44.844574835655685
1997 45.73844042144468
1998 46.01563212698194
1999 48.0472018209179
2000 49.01251314428302
2001 49.492542324996826
2002 49.89923184572096
2003 50.55889791127583
2004 51.197321259107426
2005 51.76332065933192
2006 52.594461897705735
2007 53.02582803347828
2008 53.17976913122235
2009 54.57066282739322
2010 55.26102925884786
2011 56.313115087192635
2012 57.02865823929571
2013 57.382824993473506
2014 58.183985390652204
2015 58.72565662462359
2016 59.52721516270247
2017 60.204970884817385
2018 60.8255056636419
2019 61.224659049324316
2020 59.91124370356906
2021 58.20606296916141
2022 59.793434153745025