Year	Cases per 100,000
1990	8.93
1991	8.93
1992	8.94
1993	8.95
1994	8.97
1995	9
1996	8.93
1997	8.87
1998	8.79
1999	8.72
2000	8.64
2001	8.65
2002	8.68
2003	8.7
2004	8.72
2005	8.74
2006	8.7
2007	8.67
2008	8.64
2009	8.63
2010	8.62
2011	8.67
2012	8.72
2013	8.77
2014	8.82
2015	8.87
2016	8.92