Year	per 100,000 population
2000	15.2
2001	15.1
2002	14.7
2003	16.5
2004	14.3
2005	14.1
2006	14.5
2007	14.6
2008	15.7
2009	13
2010	10.5
2011	11.1
2012	9.6
2013	9.2
2014	8.2
2015	9.3
2016	8.1
2017	8.7
2018	8.4
2019	7.9