Year	Cases per 100,000
1983	5.88375
1984	6.0775
1985	6.42125
1986	6.375
1987	7.41875
1988	8.0225
1989	8.96625
1990	8.67
1991	8.83
1992	8.99
1993	9.15
1994	9.33
1995	9.51
1996	9.5
1997	9.5
1998	9.5
1999	9.49
2000	9.5
2001	9.38
2002	9.27
2003	9.17
2004	9.07
2005	8.97
2006	8.93
2007	8.89
2008	8.86
2009	8.82
2010	8.8
2011	8.66
2012	8.53
2013	8.4
2014	8.28
2015	8.16
2016	8.04