Year	per 100,000 people
2000	16
2001	15
2002	13
2003	13
2004	12
2005	11
2006	11
2007	8.8
2008	8.9
2009	7
2010	6.8
2011	6.2
2012	6.2
2013	5.2
2014	5.2
2015	5.6
2016	5.6
2017	5.4
2018	4.7
2019	5
2020	3.9
2021	3.9
2022	4.2