Year	Cases per 100,000
1990	7.74
1991	7.77
1992	7.81
1993	7.84
1994	7.87
1995	7.91
1996	7.95
1997	7.99
1998	8.03
1999	8.08
2000	8.12
2001	8.18
2002	8.24
2003	8.3
2004	8.36
2005	8.43
2006	8.46
2007	8.48
2008	8.51
2009	8.54
2010	8.57
2011	8.6
2012	8.63
2013	8.66
2014	8.69
2015	8.72
2016	8.76