Year	Cases per 100,000
2000	26
2001	25
2002	27
2003	20
2004	24
2005	24
2006	26
2007	24
2008	19
2009	20
2010	15
2011	24
2012	19
2013	19
2014	21
2015	17
2016	20
2017	19
2018	19
2020	23