Year % of relevant age group 1995 89.94140625 1996 86.5141983032227 1997 83.8167037963867 1999 86.4772262573242 2000 88.3538818359375 2001 90.6603927612305 2002 91.8939971923828 2003 90.5926666259766 2004 89.4276733398438 2005 90.6839828491211 2006 91.4253311157227 2007 91.0701370239258 2008 89.4869232177734 2009 88.1337890625 2010 84.319709777832 2015 83.387451171875 2017 78.2531967163086 2018 80.040641784668 2019 86.3030700683594 2020 87.3011474609375 2021 86.9521179199219 2022 84.8870162963867