Year	Cases per 100,000
1990	7.46
1991	7.48
1992	7.52
1993	7.55
1994	7.58
1995	7.62
1996	7.71
1997	7.79
1998	7.88
1999	7.97
2000	8.07
2001	8.18
2002	8.3
2003	8.42
2004	8.54
2005	8.67
2006	8.74
2007	8.82
2008	8.89
2009	8.97
2010	9.06
2011	9.13
2012	9.2
2013	9.27
2014	9.35
2015	9.42
2016	9.5