Year % of relevant age group 1982 52.3187103271484 1986 45.1729507446289 2001 66.098991394043 2002 66.7830505371094 2003 66.1511993408203 2004 61.8363494873047 2005 59.5234184265137 2007 53.7747001647949 2008 57.4360694885254 2009 73.634391784668 2010 56.4609794616699 2011 54.9677085876465 2012 55.9666404724121 2013 56.1900100708008 2014 59.3233413696289 2015 53.4490013122559 2016 54.3351287841797 2017 52.2862815856934