Year	ages 15+
2000	26.1980600190493
2005	24.9494379067046
2010	23.9641428179333
2011	23.8160609696871
2012	23.6333022060501
2013	23.4747598163459
2014	23.3976675043651
2015	23.2697539417866
2016	23.2120598887137