Year	ages 15+
2000	39.5114245244037
2005	36.1555970751134
2010	33.2230218225838
2011	32.7494251070493
2012	32.2313638998814
2013	31.7721731526828
2014	31.2436185214266
2015	30.8036796994633
2016	30.3940435020874