Year	Cases per 100,000
1990	12.99
1991	13.04
1992	13.06
1993	13
1994	12.95
1995	12.96
1996	12.92
1997	12.96
1998	13.02
1999	13.11
2000	13.18
2001	13.26
2002	13.35
2003	13.39
2004	13.42
2005	13.43
2006	13.4
2007	13.32
2008	13.2
2009	13.07
2010	12.9
2011	12.72
2012	12.52
2013	12.32
2014	12.1
2015	11.88
2016	11.67