Year	per 100,000 population
2000	15.6
2001	15.8
2002	14.9
2003	13.6
2004	14.2
2005	14.8
2006	14.7
2007	12.6
2008	13.1
2009	12.9
2010	11.8
2011	12.6
2012	12.8
2013	12.1
2014	12
2015	10.9
2016	10.9
2017	11.3
2018	11.4
2019	10.7