Year	Cases per 100,000
1990	7.5
1991	7.74
1992	7.99
1993	8.25
1994	8.52
1995	8.8
1996	9.21
1997	9.64
1998	10.1
1999	10.58
2000	11.09
2001	11.32
2002	11.55
2003	11.79
2004	12.04
2005	12.29
2006	12.3
2007	12.31
2008	12.33
2009	12.35
2010	12.37
2011	12.5
2012	12.64
2013	12.78
2014	12.92
2015	13.06
2016	13.21