Year	Cases per 100,000
1990	7.93
1991	7.84
1992	7.79
1993	7.7
1994	7.6
1995	7.87
1996	7.63
1997	8.11
1998	8.1
1999	7.93
2000	8.03
2001	8
2002	7.93
2003	7.93
2004	7.65
2005	7.81
2006	7.87
2007	7.88
2008	7.95
2009	8.06
2010	8.31
2011	8.43
2012	8.59
2013	8.71
2014	8.57
2015	8.5
2016	8.51