Year	per 100,000 adults
2005	12.08
2006	12.01
2007	12.31
2008	11.7
2009	11.02
2010	10.96
2011	10.73
2012	9.93
2013	8.94
2014	8.51
2015	7.73
2016	6.16
2017	5.5