Year	Cases per 100,000
1990	6.85
1991	6.9
1992	6.96
1993	7.03
1994	7.09
1995	7.16
1996	7.2
1997	7.25
1998	7.29
1999	7.34
2000	7.39
2001	7.44
2002	7.5
2003	7.55
2004	7.61
2005	7.67
2006	7.74
2007	7.81
2008	7.88
2009	7.95
2010	8.02
2011	8.08
2012	8.14
2013	8.2
2014	8.26
2015	8.33
2016	8.39