Year	Cases per 100,000
1990	13.28
1991	12.63
1992	12.01
1993	11.43
1994	10.88
1995	10.35
1996	10.49
1997	10.63
1998	10.78
1999	10.94
2000	11.1
2001	11.68
2002	12.3
2003	12.95
2004	13.65
2005	14.38
2006	14.19
2007	14.01
2008	13.83
2009	13.65
2010	13.47
2011	13.31
2012	13.15
2013	12.99
2014	12.83
2015	12.68
2016	12.53