Year	Cases per 100,000
1990	5.99
1991	5.99
1992	6.02
1993	6.06
1994	6.11
1995	6.19
1996	6.38
1997	6.72
1998	7.01
1999	7.34
2000	7.7
2001	7.93
2002	8.11
2003	8.26
2004	8.42
2005	8.55
2006	8.73
2007	8.9
2008	9.07
2009	9.18
2010	9.28
2011	9.35
2012	9.41
2013	9.46
2014	9.5
2015	9.52
2016	9.54