Annual % of cohort
1960 73.76162284583266
1961 74.13474678132377
1962 73.94739725198613
1963 74.79049832051535
1964 75.49917189940966
1965 75.47619942890762
1966 75.84435736224468
1967 75.69981735450394
1968 75.95854938147194
1969 75.55771822843866
1970 75.80599730285577
1971 76.04301432790217
1972 76.2937588645892
1973 76.334937656811
1974 76.73762967994736
1975 76.63186418337924
1976 76.6084140133546
1977 76.81359694356524
1978 76.91507896895385
1979 76.79185572208337
1980 76.7079508840039
1981 77.0714803347516
1982 77.36662162515523
1983 77.36073471500883
1984 77.18306194841416
1985 77.26534267291784
1986 78.53898647335677
1987 78.5886806154573
1988 78.50367494558891
1989 79.15832683155085
1990 79.10228956440965
1991 79.06108141561944
1992 78.67461028043762
1993 77.8426018704111
1994 77.75843567702829
1995 77.91246893193477
1996 78.42889363337719
1997 78.81644282101091
1998 79.29187498843581
1999 78.82936099559215
2000 79.33457904459489
2001 79.6927254542237
2002 79.66649723135323
2003 79.8168270867278
2004 80.41756040271854
2005 80.62669130367632
2006 81.31530945963468
2007 81.91774623904142
2008 82.3184550237096
2009 82.84817642605078
2010 83.04104227521073
2011 83.7020652662184
2012 84.09886495596234
2013 84.55518527988367
2014 85.12406958958275
2015 85.65970015298626
2016 86.24548431640346
2017 86.83088384451533
2018 87.09092274271636
2019 87.49344102892478
2020 84.33925610630223
2021 83.67729038653138
2022 84.64854610809533