Year	Cases per 100,000
1990	7.07
1991	7.18
1992	7.3
1993	7.43
1994	7.55
1995	7.68
1996	7.74
1997	7.8
1998	7.86
1999	7.92
2000	7.99
2001	7.99
2002	7.99
2003	8
2004	8
2005	8.02
2006	8.06
2007	8.09
2008	8.14
2009	8.18
2010	8.23
2011	8.26
2012	8.3
2013	8.34
2014	8.38
2015	8.42
2016	8.47