Year	Cases per 100,000
1990	4.95
1991	5.02
1992	5.09
1993	5.16
1994	5.23
1995	5.3
1996	5.3
1997	5.31
1998	5.31
1999	5.32
2000	5.32
2001	5.32
2002	5.32
2003	5.33
2004	5.33
2005	5.34
2006	5.41
2007	5.48
2008	5.56
2009	5.63
2010	5.71
2011	5.73
2012	5.75
2013	5.77
2014	5.79
2015	5.81
2016	5.83