Year	Cases per 100,000
1990	11.89
1991	11.92
1992	12.41
1993	12.55
1994	12.86
1995	12.51
1996	12.3
1997	12.35
1998	12.48
1999	12.58
2000	12.87
2001	13.15
2002	13.48
2003	14.08
2004	14.25
2005	14.44
2006	14.5
2007	14.53
2008	14.38
2009	14.15
2010	13.95
2011	13.44
2012	13.42
2013	12.56
2014	12.28
2015	12.08
2016	11.9