Year	Cases per 100,000
1983	2.4275
1984	2.995
1985	2.7225
1986	3.37
1987	3.1875
1988	2.915
1989	3.5125
1990	3.7
1991	3.85
1992	4.01
1993	4.18
1994	4.36
1995	4.55
1996	4.67
1997	4.79
1998	4.93
1999	5.06
2000	5.21
2001	5.32
2002	5.44
2003	5.56
2004	5.68
2005	5.81
2006	6.01
2007	6.22
2008	6.43
2009	6.66
2010	6.89
2011	6.97
2012	7.06
2013	7.15
2014	7.24
2015	7.33
2016	7.42