Year	Cases per 100,000
2000	0
2002	0.96
2003	1.9
2004	1.9
2006	0.95
2007	2.9
2008	4.7
2009	4.7
2010	3.8
2011	1.9
2012	0.93
2014	0
2015	4.6
2016	5.4
2017	2.7
2018	1.8
2019	2.7
2020	0.89