Year	Cases per 100,000
2000	28
2002	14
2003	12
2004	17
2005	15
2006	18
2007	14
2008	14
2009	13
2010	8.7
2011	11
2012	8.8
2013	9
2014	13
2015	17
2016	24
2017	13
2018	12
2019	13
2020	7.9