Year	Cases per 100,000
1983	10.65625
1984	10.2425
1985	10.74875
1986	10.165
1987	9.99125
1988	10.0975
1989	10.50375
1990	10.91
1991	10.88
1992	10.74
1993	10.69
1994	10.57
1995	10.3
1996	10.38
1997	10.23
1998	10.06
1999	9.94
2000	9.73
2001	9.64
2002	9.47
2003	9.27
2004	9.15
2005	9
2006	8.91
2007	8.88
2008	8.81
2009	8.72
2010	8.69
2011	8.6
2012	8.65
2013	8.57
2014	8.49
2015	8.45
2016	8.34