Year	per 100,000 population
2000	9.7
2001	8
2002	7.5
2003	15.6
2004	13.1
2005	13
2006	15
2007	11
2008	12.5
2009	7.3
2010	9.8
2011	8.8
2012	7.6
2013	6.8
2014	8.1
2015	10.7
2016	9.9
2017	11.1
2018	12.2
2019	13.5