Year	ages 15+
2000	22.6623818867959
2005	19.044497926554
2010	16.2234173130868
2011	15.6791442268369
2012	15.2992933624415
2013	14.8465358887915
2014	14.3852838816852
2015	14.0243551279265
2016	13.6747455944686