Year	per 100,000 population
2000	14.3
2001	14.5
2002	14.5
2003	14.7
2004	14.7
2005	14.9
2006	14.9
2007	14.8
2008	14.5
2009	14.4
2010	14.1
2011	14.3
2012	13.8
2013	13.9
2014	13.6
2015	13.8
2016	13.8
2017	11.4
2018	11
2019	11.7