Year	per 100,000 people
2000	23
2001	22
2002	21
2003	20
2004	18
2005	17
2006	17
2007	16
2008	16
2009	17
2010	18
2011	18
2012	18
2013	18
2014	16
2015	16
2016	15
2017	14
2018	14
2019	13
2020	12
2021	12
2022	11