Year	Cases per 100,000
1990	7.47
1991	7.48
1992	7.5
1993	7.51
1994	7.53
1995	7.55
1996	7.55
1997	7.56
1998	7.57
1999	7.58
2000	7.6
2001	7.6
2002	7.61
2003	7.62
2004	7.63
2005	7.64
2006	7.64
2007	7.64
2008	7.64
2009	7.65
2010	7.66
2011	7.72
2012	7.8
2013	7.87
2014	7.95
2015	8.03
2016	8.11