Year	Cases per 100,000
1990	7.55
1991	7.63
1992	7.71
1993	7.79
1994	7.88
1995	7.97
1996	8.01
1997	8.05
1998	8.1
1999	8.15
2000	8.2
2001	8.29
2002	8.39
2003	8.49
2004	8.59
2005	8.7
2006	8.74
2007	8.78
2008	8.83
2009	8.87
2010	8.93
2011	9.09
2012	9.26
2013	9.43
2014	9.61
2015	9.79
2016	9.99