Year	Cases per 100,000
1990	9.3
1991	9.24
1992	9.19
1993	9.14
1994	9.1
1995	9.06
1996	9.39
1997	9.73
1998	10.09
1999	10.47
2000	10.88
2001	10.89
2002	10.93
2003	10.98
2004	11.03
2005	11.1
2006	11.26
2007	11.43
2008	11.61
2009	11.81
2010	12.01
2011	11.97
2012	11.93
2013	11.89
2014	11.87
2015	11.85
2016	11.85