Year	Cases per 100,000
1990	99.04
1991	99.05
1992	99.11
1993	99.22
1994	99.37
1995	99.57
1996	99.24
1997	98.96
1998	98.71
1999	98.51
2000	98.34
2001	97.42
2002	96.56
2003	95.74
2004	94.98
2005	94.27
2006	94.03
2007	93.8
2008	93.6
2009	93.41
2010	93.25
2011	92.34
2012	91.46
2013	90.61
2014	89.79
2015	88.99
2016	88.22