Year	per 100,000 population
2000	9.6
2001	9.6
2002	10
2003	9.6
2004	9.7
2005	9.8
2006	9.6
2007	8.4
2008	9
2009	9.5
2010	9.8
2011	10.1
2012	10.7
2013	11.8
2014	11.6
2015	11.8
2016	11.9
2017	12.1
2018	11.4
2019	11.8