Year	Cases per 100,000
2000	41
2001	43
2002	48
2003	45
2004	40
2005	35
2006	29
2007	28
2008	32
2009	32
2010	33
2011	29
2012	27
2013	26
2014	24
2015	23
2016	20
2017	20
2018	18
2019	17
2020	12