Year	Cases per 100,000
2000	25
2002	33
2003	34
2004	29
2005	36
2006	34
2007	35
2008	33
2009	34
2011	24
2012	25
2013	21
2014	18
2015	15
2016	17
2017	21
2018	27
2019	33
2020	25