Year	per 100,000 population
2000	12.3
2001	11.8
2002	12.1
2003	11.8
2004	14.6
2005	12.6
2006	9.2
2007	11.1
2008	9.8
2009	9.3
2010	8.2
2011	7.8
2012	6.1
2013	5
2014	5.3
2015	6.7
2016	5.2
2017	6
2018	5.5
2019	5.8