Year	% of cohort
1960	58.659918702008525
1961	59.13277761503103
1962	59.917272005892706
1963	60.3238605796033
1964	61.15071721025088
1965	62.07777181880999
1966	62.502408219671
1967	62.96626663797131
1968	63.41614455237469
1969	63.6485792789898
1970	64.27263482642063
1971	64.7180954152438
1972	65.21543031200133
1973	65.4711353260151
1974	65.66357686780806
1975	65.54696965221235
1976	66.1467638130486
1977	66.49283073145213
1978	66.67307709629904
1979	67.05080721809838
1980	67.92554411407757
1981	68.20309806724416
1982	68.58501937294125
1983	68.97476193440467
1984	69.62649271509883
1985	70.0386571563074
1986	70.51389614602364
1987	70.98526901334799
1988	71.44054624933138
1989	71.87280560064883
1990	72.2115058197207
1991	72.34810559688904
1992	72.57485990225867
1993	72.71659006436246
1994	72.51044637524241
1995	72.72434332938141
1996	72.81151988365224
1997	72.87886345258282
1998	72.76463934537506
1999	72.5738059691432
2000	73.40237769236246
2001	73.76305444555425
2002	73.73680607682199
2003	73.88120396511765
2004	74.2175323597065
2005	74.63510415912322
2006	75.09318956038803
2007	75.60646531541448
2008	76.04299487277312
2009	76.39904306779141
2010	77.0915013298916
2011	77.50999157234256
2012	77.85517746572037
2013	78.42094746285002
2014	78.99676817164176
2015	79.41912202714877
2016	79.9643260056424
2017	80.55302205631234
2018	80.89041139811901
2019	81.02578709007882
2020	80.71172446756711
2021	79.48552661749714
2022	80.08706500274302