Year	ages 15+
2000	30.4086898402434
2005	28.3270457547105
2010	26.5673746230909
2011	26.1679717779967
2012	26.0189686266279
2013	25.6774913806831
2014	25.342718469249
2015	25.0093551134523
2016	24.7479947776751