Year	Cases per 100,000
1990	106.56
1991	106.01
1992	104.83
1993	103.63
1994	100.86
1995	98.77
1996	97.2
1997	94.53
1998	91.25
1999	89.91
2000	88.06
2001	87.42
2002	86.08
2003	84.37
2004	82.67
2005	79.85
2006	78.6
2007	77.14
2008	75.6
2009	74.53
2010	73.49
2011	72.55
2012	72
2013	71.22
2014	69.51
2015	68.13
2016	67.85