Year	Cases per 100,000
1990	2.82
1991	2.82
1992	2.82
1993	2.82
1994	2.82
1995	2.82
1996	2.83
1997	2.83
1998	2.84
1999	2.83
2000	2.83
2001	2.81
2002	2.8
2003	2.8
2004	2.79
2005	2.79
2006	2.8
2007	2.81
2008	2.82
2009	2.83
2010	2.85
2011	2.85
2012	2.85
2013	2.85
2014	2.85
2015	2.86
2016	2.86