Year	per 100,000 population
2000	12.4
2001	11.3
2002	12.4
2003	12.1
2004	11.7
2005	11.2
2006	11.7
2007	10.7
2008	10.4
2009	10.5
2010	9.9
2011	9.6
2012	11.3
2013	10.3
2014	10.2
2015	9
2016	9.1
2017	9
2018	9.4
2019	11.2