Year	per 100,000 population
2000	8.6
2001	8.3
2002	8.3
2003	7.9
2004	8.2
2005	7.9
2006	7.8
2007	7.6
2008	8.1
2009	8
2010	7.8
2011	8.3
2012	8.2
2013	8.8
2014	8.6
2015	8.8
2016	8.5
2017	8.2
2018	8.1
2019	7.9