Year	Cases per 100,000
2000	47
2001	49
2002	42
2003	45
2004	38
2005	38
2006	30
2007	38
2008	35
2009	28
2010	26
2011	23
2012	28
2013	27
2014	29
2015	34
2016	36
2017	27
2018	27
2019	29
2020	20