Year	Cases per 100,000
1983	41.02125
1984	44.2925
1985	51.37375
1986	56.135
1987	59.62625
1988	67.1975
1989	70.21875
1990	72.6
1991	73.87
1992	75.17
1993	76.49
1994	77.83
1995	79.22
1996	79.6
1997	80
1998	80.41
1999	80.82
2000	81.25
2001	80.8
2002	80.36
2003	79.92
2004	79.49
2005	79.08
2006	77.78
2007	76.5
2008	75.25
2009	74.02
2010	72.82
2011	71.13
2012	69.48
2013	67.87
2014	66.31
2015	64.79
2016	63.31