Year	Cases per 100,000
1990	11.62
1991	11.57
1992	11.57
1993	11.59
1994	11.7
1995	11.88
1996	12.13
1997	12.43
1998	12.76
1999	13.14
2000	13.5
2001	13.78
2002	14.01
2003	14.17
2004	14.27
2005	14.34
2006	14.36
2007	14.36
2008	14.37
2009	14.37
2010	14.36
2011	14.31
2012	14.26
2013	14.21
2014	14.16
2015	14.1
2016	14.05