Year	% of cohort
1960	42.69826275042383
1961	43.613070829051374
1962	43.987824897972125
1963	45.235839729066996
1964	46.07606704611728
1965	46.82340017429924
1966	47.575951711760176
1967	48.23779476042113
1968	48.69755424106271
1969	49.54988043630079
1970	50.329168444183146
1971	51.203785003056375
1972	51.91785715679039
1973	53.050951233868204
1974	54.13893297103032
1975	55.15198478752132
1976	55.5819399021539
1977	57.34984602206447
1978	58.04363525519524
1979	60.024982648592605
1980	61.17979694700709
1981	61.962945968525915
1982	62.82448536182031
1983	65.0846126620543
1984	66.35170519789617
1985	67.48927090052482
1986	68.502763223878
1987	69.18803187042674
1988	69.89965509382877
1989	70.5021890649056
1990	70.44614527454924
1991	72.2214871865042
1992	73.03197057913792
1993	73.47204712587293
1994	73.99040579653774
1995	74.43777115452546
1996	75.09074492557095
1997	75.49057166391957
1998	75.80797321738223
1999	76.50124141067444
2000	77.24195458147116
2001	77.8134378683611
2002	78.3462919228503
2003	78.0912526713296
2004	79.08705697270473
2005	79.84627751828168
2006	80.28358022266059
2007	80.6695148994772
2008	80.8206179229716
2009	81.08795006347302
2010	81.65325893283432
2011	82.10722264309823
2012	82.08223667758165
2013	82.2114719936262
2014	82.77583937994437
2015	83.0789791588783
2016	83.70067111201747
2017	84.54710788476177
2018	84.62877364975267
2019	84.64429067875153
2020	82.85818467743317
2021	82.88274629149
2022	83.51131400160462