Year	per 100,000 population
2000	7.2
2001	7
2002	7.3
2003	7.4
2004	7.5
2005	7.6
2006	7.5
2007	7.5
2008	7.6
2009	7.8
2010	8.2
2011	8.5
2012	8.7
2013	9
2014	9.2
2015	9
2016	9.3
2017	9.7
2018	9.7
2019	9.6