Annual % of cohort
1960 34.70466315425138
1961 35.16999031930341
1962 35.63481696398598
1963 35.876531183759994
1964 36.6283401953603
1965 36.79597543470176
1966 36.58608331276532
1967 37.50887807004627
1968 37.97509831428859
1969 38.3911438061416
1970 38.82067274750402
1971 39.4058544930873
1972 39.00132461124092
1973 39.998042757811206
1974 40.08899266846282
1975 40.593007774997595
1976 41.647319807673064
1977 42.21868243735537
1978 42.62442918951632
1979 43.273754869510206
1980 43.85941418125966
1981 44.3185268280924
1982 44.65849805458801
1983 43.003211796998436
1984 42.971503096565954
1985 43.26730137984659
1986 44.266089105718386
1987 45.277698250742986
1988 44.81576155948217
1989 45.948437226273875
1990 45.90408704082557
1991 45.62644866298141
1992 45.422450047577236
1993 46.00341054841614
1994 46.41676716162773
1995 46.93508808906699
1996 46.92269292543655
1997 47.25527958153579
1998 46.981852866547534
1999 48.11427829588626
2000 48.714240055514026
2001 49.1795458852663
2002 49.74629886346855
2003 50.51934708202486
2004 51.173080416983524
2005 52.24595902551994
2006 53.530871046401266
2007 54.638360201272484
2008 55.6405542900791
2009 56.98038992145703
2010 57.50340360659862
2011 59.27263728050447
2012 60.42813477683227
2013 61.62042950278151
2014 62.51919698913491
2015 63.41647894020502
2016 64.49252518122755
2017 65.13582023564447
2018 65.95589903083439
2019 66.70664325248372
2020 65.45235417236202
2021 64.40759325837755
2022 65.34932856826573