Year	per 100,000 people
2000	16
2001	14
2002	14
2003	12
2004	14
2005	12
2006	15
2007	14
2008	15
2009	14
2010	12
2011	12
2012	12
2013	9.9
2014	10
2015	9
2016	9
2017	6.8
2018	6.1
2019	9.2
2020	7.9
2021	5.9
2022	9.3