Year	Cases per 100,000
1990	9.03
1991	9.08
1992	9.13
1993	9.18
1994	9.24
1995	9.3
1996	9.37
1997	9.44
1998	9.52
1999	9.6
2000	9.69
2001	9.72
2002	9.77
2003	9.81
2004	9.86
2005	9.91
2006	9.87
2007	9.82
2008	9.77
2009	9.73
2010	9.69
2011	9.69
2012	9.69
2013	9.69
2014	9.69
2015	9.69
2016	9.7