Year	per 100,000 population
2000	5.7
2001	5.2
2002	6.6
2003	5.8
2004	5.1
2005	9.9
2006	6.2
2007	8.4
2008	4.2
2009	2.6
2010	3
2011	5.6
2012	5.4
2013	3.9
2014	1.4
2015	3.3
2016	0.7
2017	0
2018	1
2019	1