Year	Cases per 100,000
1990	7.96
1991	8
1992	8.04
1993	8.08
1994	8.13
1995	8.17
1996	8.14
1997	8.11
1998	8.09
1999	8.06
2000	8.03
2001	8.04
2002	8.05
2003	8.07
2004	8.08
2005	8.1
2006	8.16
2007	8.21
2008	8.27
2009	8.34
2010	8.4
2011	8.41
2012	8.42
2013	8.43
2014	8.44
2015	8.45
2016	8.47