Year	Cases per 100,000
1983	72.23125
1984	75.2025
1985	79.71375
1986	79.325
1987	84.08625
1988	92.0875
1989	93.26875
1990	95.95
1991	96.7
1992	97.51
1993	98.33
1994	99.17
1995	100.06
1996	100.13
1997	100.25
1998	100.37
1999	100.5
2000	100.67
2001	99.83
2002	99.04
2003	98.27
2004	97.52
2005	96.81
2006	95.52
2007	94.26
2008	93.06
2009	91.9
2010	90.8
2011	91.11
2012	91.46
2013	91.81
2014	92.18
2015	92.56
2016	93