Year % of relevant age group 1977 46.4383010864258 1980 49.7258415222168 1981 88.2688369750977 1982 111.295417785645 1983 111.44068145752 1984 109.484382629395 1985 102.239349365234 1987 57.7394790649414 1988 72.6100616455078 1990 77.9194412231445 1999 44.4971008300781 2002 55.6068801879883 2003 54.7673492431641 2004 68.3996963500977 2005 71.6357192993164 2007 70.3749389648438 2008 73.485221862793 2009 82.0763702392578 2010 82.2778930664062 2011 108.452590942383 2012 90.9869995117188 2013 95.739860534668 2014 87.5100173950195 2015 88.8219985961914 2016 79.1776733398438 2017 84.653190612793