Year	per 100,000 population
2000	4.9
2001	6.8
2002	7.7
2003	1.9
2004	1.9
2005	12.4
2006	15.2
2007	7.6
2008	11.4
2009	3.8
2010	5.6
2011	8.4
2012	3.7
2013	8.3
2014	4.6
2015	8.2
2016	9.1
2017	7.6
2018	7.8
2019	8