Year	Cases per 100,000
1990	80.12
1991	80.22
1992	80.96
1993	81.59
1994	82.3
1995	82.55
1996	82.17
1997	82.03
1998	83.09
1999	84.48
2000	83.98
2001	82.6
2002	81.66
2003	81.42
2004	80.75
2005	80.33
2006	79.14
2007	77.31
2008	75.13
2009	73.49
2010	72.46
2011	72.03
2012	71.59
2013	71.16
2014	70.79
2015	70.43
2016	70.24