Year	per 100,000 population
2000	14.5
2001	14.6
2002	14.8
2003	14.5
2004	14.4
2005	14.3
2006	14.2
2007	13.7
2008	13.5
2009	13.9
2010	13.7
2011	13.8
2012	13
2013	12.9
2014	12.7
2015	12.3
2016	12.1
2017	11.8
2018	11.6
2019	11.3