Year	Cases per 100,000
1990	13.57
1991	13.48
1992	13.4
1993	13.33
1994	13.25
1995	13.18
1996	13.6
1997	14.04
1998	14.51
1999	15.01
2000	15.54
2001	15.94
2002	16.37
2003	16.81
2004	17.27
2005	17.76
2006	18.46
2007	19.19
2008	19.97
2009	20.79
2010	21.67
2011	22.27
2012	22.9
2013	23.56
2014	24.23
2015	24.94
2016	25.69