Year	Cases per 100,000
1990	13.23
1991	13
1992	12.44
1993	12.46
1994	12.24
1995	12.2
1996	11.87
1997	11.82
1998	11.7
1999	11.52
2000	11.26
2001	10.86
2002	11.02
2003	10.86
2004	10.66
2005	10.4
2006	10.74
2007	10.8
2008	10.83
2009	10.97
2010	11.15
2011	10.97
2012	10.98
2013	10.58
2014	10.51
2015	10.34
2016	10.18