Year	per 100,000 population
2000	6.3
2001	5.2
2002	5.6
2003	5
2004	4
2005	5.9
2006	4.5
2007	4.7
2008	3.5
2009	3.7
2010	2.3
2011	1.2
2012	1.8
2013	1
2014	1.4
2015	0.8
2016	1.4
2017	1.3
2018	1.1
2019	1.2