Year	Cases per 100,000
2000	25
2001	13
2002	18
2003	15
2004	19
2005	13
2006	14
2008	6.5
2009	8.7
2010	7.5
2011	11
2012	12
2013	12
2014	12
2015	9.8
2016	6.7
2017	15
2018	5.6
2019	9.1
2020	6.6