Year % of relevant age group 1973 3.71396994590759 1974 3.13302993774414 1975 3.29721999168396 1976 2.23176002502441 1999 10.4735298156738 2000 11.6044797897339 2002 14.0052404403687 2005 15.9191102981567 2006 17.3618793487549 2007 18.3829097747803 2008 17.7859401702881 2009 25.0336494445801 2011 40.6310615539551 2012 38.110221862793 2013 34.4233207702637 2014 32.4023895263672 2015 33.9913291931152 2016 32.1588706970215 2017 35.1785202026367 2018 35.5777587890625 2019 39.3092002868652 2020 36.7663917541504 2021 39.5924606323242 2022 38.7846717834473