Year	per 100,000 population
2000	17.2
2001	15.3
2002	14.7
2003	13.8
2004	13.9
2005	12.9
2006	12.7
2007	12.2
2008	12.9
2009	13.7
2010	14.4
2011	14.1
2012	13.8
2013	13.9
2014	13.4
2015	14
2016	13.4
2017	14.5
2018	14.3
2019	14.5