Year	Cases per 100,000
1990	6.53
1991	6.59
1992	6.66
1993	6.73
1994	6.81
1995	6.88
1996	6.98
1997	7.09
1998	7.2
1999	7.31
2000	7.42
2001	7.55
2002	7.68
2003	7.82
2004	7.96
2005	8.11
2006	8.23
2007	8.35
2008	8.47
2009	8.6
2010	8.74
2011	8.76
2012	8.79
2013	8.82
2014	8.84
2015	8.87
2016	8.91