Year	Cases per 100,000
2000	43
2001	38
2002	37
2003	38
2004	34
2005	32
2006	30
2007	30
2008	33
2009	31
2010	30
2011	31
2012	43
2013	40
2014	39
2015	39
2016	43
2017	41
2018	40
2019	36
2020	40
