Year	Per 100 000
2000	16
2001	15
2002	14
2003	12
2004	14
2005	12
2006	15
2007	14
2008	15
2009	13
2010	12
2011	12
2012	13
2013	10
2014	10
2015	8.8
2016	8.9
2017	6.7
2018	5.9
2019	8.5
2020	7