Year	Cases per 100,000
1990	6.07
1991	6.19
1992	6.31
1993	6.43
1994	6.56
1995	6.7
1996	6.76
1997	6.83
1998	6.91
1999	6.98
2000	7.06
2001	7.18
2002	7.31
2003	7.44
2004	7.58
2005	7.73
2006	7.89
2007	8.05
2008	8.22
2009	8.39
2010	8.57
2011	8.58
2012	8.59
2013	8.6
2014	8.61
2015	8.62
2016	8.64