Year % of relevant age group 1971 1.81777000427246 1972 1.74223005771637 1973 1.81815004348755 1974 1.86909997463226 1975 1.90188002586365 1976 2.04304003715515 1977 1.94816994667053 1979 2.10114002227783 1980 2.55468010902405 1994 7.71802997589111 2000 7.74126005172729 2001 8.47294044494629 2003 8.83084964752197 2005 10.9015102386475 2006 11.9526395797729 2007 12.9902296066284 2008 16.1901702880859 2009 16.9382801055908 2010 17.8365306854248 2011 19.7049503326416 2012 21.8287696838379 2013 22.56422996521 2014 25.9954395294189 2015 27.9328193664551 2016 29.9999504089355 2017 36.4332084655762 2018 41.0147514343262 2019 38.0397109985352 2020 37.3023300170898 2021 33.9812507629395 2022 26.5629405975342