Year	Cases per 100,000
1990	80.3
1991	82.4
1992	84.63
1993	87
1994	89.51
1995	92.17
1996	93.02
1997	93.89
1998	94.77
1999	95.67
2000	96.6
2001	96.44
2002	96.28
2003	96.14
2004	96
2005	95.88
2006	95.42
2007	94.96
2008	94.53
2009	94.1
2010	93.7
2011	93.36
2012	93.05
2013	92.74
2014	92.44
2015	92.15
2016	91.88