Year	Cases per 100,000
1990	6.85
1991	7
1992	7.16
1993	7.32
1994	7.49
1995	7.66
1996	7.76
1997	7.86
1998	7.97
1999	8.08
2000	8.19
2001	8.3
2002	8.42
2003	8.55
2004	8.68
2005	8.82
2006	8.85
2007	8.88
2008	8.92
2009	8.95
2010	8.99
2011	9.04
2012	9.1
2013	9.16
2014	9.21
2015	9.27
2016	9.33