Year	Cases per 100,000
2000	28
2001	26
2002	26
2003	26
2004	23
2005	21
2006	21
2007	21
2008	19
2009	20
2010	18
2011	21
2012	18
2013	18
2014	17
2015	16
2016	16
2017	15
2018	14
2019	13
2020	8.3