Year	per 100,000 population
2000	12.7
2001	13.2
2002	12.2
2003	12.1
2004	11.9
2005	11.8
2006	10.9
2007	11.5
2008	12.2
2009	14
2010	11.9
2011	12.5
2012	12.4
2013	11.4
2014	11
2015	9.3
2016	10
2017	10
2018	9.9
2019	9.6