Year % of relevant age group 1974 9.98349952697754 1977 11.197660446167 1978 11.9326496124268 1980 18.6788597106934 1981 22.8753795623779 1982 12.3838701248169 1984 16.4391994476318 1985 19.003059387207 1993 13.3076601028442 1999 8.63446998596191 2002 141.43952 2003 145.41959 2005 87.24497 2007 74.02942 2009 84.41596 2010 91.0462 2011 95.58944 2012 101.3849 2013 96.46611 2014 92.19567 2015 87.5875 2017 85.24914