Year	Per 100 000
2000	13
2001	12
2002	12
2003	12
2004	10
2005	9.9
2006	9.8
2007	11
2008	11
2009	9.5
2010	9.2
2011	9
2012	9
2013	8.9
2014	8.5
2015	8.4
2016	8.7
2017	9
2018	8.9
2019	9
2020	8.2