Year	Cases per 100,000
1990	7.89
1991	7.87
1992	7.86
1993	7.85
1994	7.85
1995	7.84
1996	7.82
1997	7.79
1998	7.77
1999	7.75
2000	7.73
2001	7.73
2002	7.73
2003	7.73
2004	7.74
2005	7.75
2006	7.73
2007	7.7
2008	7.68
2009	7.66
2010	7.65
2011	7.81
2012	7.96
2013	8.13
2014	8.29
2015	8.46
2016	8.64