Year	Cases per 100,000
1990	7.77
1991	7.79
1992	7.81
1993	7.84
1994	7.86
1995	7.89
1996	7.78
1997	7.67
1998	7.56
1999	7.46
2000	7.36
2001	7.35
2002	7.34
2003	7.33
2004	7.32
2005	7.31
2006	7.3
2007	7.3
2008	7.29
2009	7.29
2010	7.29
2011	7.36
2012	7.44
2013	7.52
2014	7.59
2015	7.67
2016	7.76