Year	per 100,000 people
2000	17
2001	14
2002	15
2003	13
2004	13
2005	13
2006	12
2007	11
2008	10
2009	9.1
2010	9.1
2011	9.2
2012	8.5
2013	8.5
2014	7.6
2015	7.5
2016	8.1
2017	7.3
2018	6.1
2019	6
2020	4.9
2021	5
2022	4.4