Year % of relevant age group 1973 37.2017593383789 1974 39.7473487854004 1975 39.9633407592773 1976 44.040210723877 1977 46.966911315918 1978 52.1413688659668 1979 62.8128395080566 1981 56.3995590209961 1982 57.755428314209 1991 62.4722518920898 1992 54.1630516052246 1993 57.7882995605469 1994 64.509391784668 1995 71.9444427490234 1996 69.6483764648438 1997 72.7842483520508 1998 76.136589050293 1999 74.4217300415039 2000 79.6815795898438 2001 78.3201522827148 2002 75.6853408813477 2003 78.7411422729492 2004 79.8973922729492 2005 84.1498031616211 2006 81.7328491210938 2007 84.1170272827148 2008 86.8138122558594 2009 91.1357879638672 2010 86.5275497436523 2011 87.3141326904297 2012 85.6915893554688 2013 85.8045120239258 2014 87.337890625 2015 89.7384719848633 2016 90.6732635498047 2017 89.5794982910156 2018 89.5710906982422 2019 91.2258529663086 2020 100.522003173828 2021 124.537773132324