Year	Cases per 100,000
2000	25
2001	24
2002	27
2003	26
2004	25
2005	23
2006	27
2007	26
2008	33
2009	33
2010	32
2011	21
2012	22
2013	20
2014	20
2015	20
2016	21
2017	24
2018	20
2019	19
2020	16