Year	Cases per 100,000
1990	7.51
1991	7.53
1992	7.59
1993	7.44
1994	7.55
1995	7.32
1996	7.11
1997	7.21
1998	7.05
1999	7.36
2000	7.59
2001	7.9
2002	8.21
2003	8.11
2004	8.29
2005	8.17
2006	8.39
2007	8.34
2008	8.18
2009	8.05
2010	8.13
2011	8.03
2012	8.29
2013	8.16
2014	8.2
2015	8.12
2016	8.04