Year	Cases per 100,000
1990	74.89
1991	78.17
1992	81.62
1993	86.12
1994	87.2
1995	88.45
1996	86.28
1997	84.78
1998	82.88
1999	81.04
2000	77.75
2001	77.07
2002	75.64
2003	73.2
2004	72.01
2005	70.81
2006	68.01
2007	64.59
2008	63.89
2009	63.09
2010	62.75
2011	62.01
2012	57.83
2013	55.34
2014	53.52
2015	53.43
2016	53.5