Annual % of cohort
1960 45.23373343090511
1961 45.603751364761415
1962 45.759845334316125
1963 46.2478671316617
1964 46.93951943718117
1965 47.05317267346454
1966 46.85816247078162
1967 47.36716374135552
1968 47.95757680895218
1969 47.99727892204799
1970 48.35242428126286
1971 49.08107432109049
1972 49.00023275603814
1973 49.79376499869695
1974 49.958966761561285
1975 50.42729728462834
1976 51.00578235476951
1977 51.80322734806162
1978 52.03345447905014
1979 52.27451065035486
1980 52.654287497719075
1981 52.89024086865852
1982 52.99340242114582
1983 52.15432736700176
1984 52.0564143159966
1985 52.10038616022567
1986 52.9703702748039
1987 53.473159665157596
1988 52.95591549532836
1989 54.075165991702434
1990 54.05024231975533
1991 53.912927267548476
1992 53.75718297609386
1993 54.173004512552225
1994 54.73660994341799
1995 54.340735848395695
1996 54.375501646354685
1997 54.71343365057973
1998 54.499273651345554
1999 55.37328883061275
2000 55.91069593214803
2001 56.093551641983254
2002 56.60158930293996
2003 56.97058556018958
2004 57.268108709150496
2005 57.83472763180317
2006 58.5193293191413
2007 59.21967274438485
2008 58.682153348376445
2009 60.69482711761035
2010 60.80375956926886
2011 62.022124715876835
2012 62.37526308496631
2013 62.95668952229778
2014 63.48301779585345
2015 64.05060245626366
2016 64.6352300982779
2017 65.21602457648709
2018 65.76227145283961
2019 66.15009896812889
2020 64.90977540806627
2021 63.86862562730022
2022 64.71783904931343