Year	ages 15+
2000	33.7804286649143
2005	30.4271449780868
2010	27.4880364306436
2011	26.9591170925622
2012	26.484280567363
2013	25.949935725193
2014	25.4617463681301
2015	24.9877794721454
2016	24.5131220224532