Year	% of cohort
1960	46.48700678811029
1961	47.22590572485078
1962	47.883216836970824
1963	47.663787465972426
1964	48.89836975443071
1965	50.251574166656845
1966	50.744597835599095
1967	51.07493735503926
1968	51.49105305805664
1969	51.52559737072929
1970	52.13302953532277
1971	52.565594974190184
1972	53.06962984553576
1973	53.89390318686374
1974	49.8195939550287
1975	52.62162845200231
1976	52.94074188338132
1977	53.694910724662385
1978	53.90505811688702
1979	54.43854289673358
1980	55.070705788485355
1981	55.676840169288674
1982	56.300506593933385
1983	56.53405768152016
1984	57.08001708967155
1985	57.46572626827879
1986	58.53924297131453
1987	59.177567348001
1988	59.46087477150288
1989	61.259098344845704
1990	61.07451897086711
1991	61.004835898768185
1992	60.85516881619516
1993	60.988577013304926
1994	60.679352580119954
1995	60.89724932794743
1996	61.45961367691925
1997	61.6301202437856
1998	61.402982018259124
1999	61.36066252480057
2000	63.426265552005034
2001	63.96819644226468
2002	64.20749144201461
2003	64.75481622349369
2004	65.24370466067978
2005	65.92667822624477
2006	66.4914742002919
2007	67.16470688978505
2008	68.1488399077414
2009	69.01449262751147
2010	69.9237597951831
2011	70.40763783158712
2012	71.07931727993525
2013	71.73971354691912
2014	72.2190518225821
2015	72.85759476003615
2016	73.43901021182293
2017	74.07202143525974
2018	74.5576223992916
2019	74.92209865805792
2020	73.94929680514151
2021	72.97183482361459
2022	73.60715189068725