Year	Cases per 100,000
2000	32
2001	32
2002	33
2003	34
2004	31
2005	29
2006	27
2007	25
2008	22
2009	22
2010	19
2011	16
2012	17
2013	15
2014	14
2015	14
2016	13
2017	10
2018	10
2019	9.6
2020	6.9