Year	per 100,000 population
2000	8.2
2001	10
2002	10.1
2003	14.5
2004	10.7
2005	13.9
2006	13.2
2007	13.7
2008	13.3
2009	11.6
2010	11.4
2011	12.4
2012	14
2013	13.8
2014	13.2
2015	10.3
2016	8.7
2017	8.5
2018	8.1
2019	6.7