Year	Cases per 100,000
2000	29
2001	27
2002	28
2003	27
2004	26
2005	29
2006	29
2007	27
2008	25
2009	24
2010	22
2011	20
2012	19
2013	17
2014	17
2015	16
2016	15
2017	15
2018	14
2019	13
2020	10