Year	ages 15+
2000	38.4711652817946
2005	35.7936326952718
2010	33.3354501769347
2011	32.9337501644271
2012	32.4965347931813
2013	32.0525820213418
2014	31.6432394351307
2015	31.1954129855599
2016	30.7749340764248