Year	per 100,000 people
2000	122
2001	93
2002	81
2003	71
2004	62
2005	56
2006	52
2007	44
2008	44
2009	45
2010	43
2011	48
2012	44
2013	42
2014	39
2015	40
2016	39
2017	37
2018	37
2019	31
2020	30
2021	30
2022	31
