Year	per 100,000 population
2000	7.2
2001	7.3
2002	6.8
2003	7.2
2004	6.9
2005	7.1
2006	7.6
2007	7.1
2008	8
2009	7.2
2010	7.9
2011	7.2
2012	8.7
2013	8.3
2014	8.9
2015	8.7
2016	7.4
2017	7.9
2018	8
2019	7.9