Year	Cases per 100,000
1990	7.98
1991	8.09
1992	8.27
1993	8.41
1994	8.43
1995	8.25
1996	8.23
1997	8.17
1998	8.12
1999	8.23
2000	8.31
2001	8.32
2002	8.29
2003	8.32
2004	8.35
2005	8.19
2006	8.07
2007	8.03
2008	7.91
2009	7.79
2010	7.71
2011	7.72
2012	7.72
2013	7.79
2014	7.87
2015	7.95
2016	8.03