Year	Cases per 100,000
1990	11.83
1991	11.73
1992	11.59
1993	11.59
1994	11.61
1995	11.65
1996	11.82
1997	12.04
1998	12.24
1999	12.37
2000	12.4
2001	12.44
2002	12.65
2003	12.68
2004	12.51
2005	12.39
2006	12.69
2007	13.17
2008	13.92
2009	14.46
2010	15.23
2011	14.73
2012	14.46
2013	14.31
2014	14.22
2015	14.11
2016	13.93