Year	Cases per 100,000
2000	47
2001	48
2002	40
2003	43
2004	41
2005	35
2006	36
2007	41
2008	41
2009	40
2010	42
2011	46
2012	47
2013	45
2014	43
2015	40
2016	37
2017	35
2018	33
2019	34
2020	28