Year	per 100,000 population
2000	15.8
2001	14.2
2002	13.3
2003	11.5
2004	11.4
2005	11.6
2006	9.7
2007	8.6
2008	9.2
2009	8.8
2010	8.3
2011	7.9
2012	8.3
2013	8
2014	8.5
2015	9
2016	8.6
2017	8.7
2018	8.8
2019	8.9