Year	Cases per 100,000
1990	29.99
1991	30.08
1992	30.04
1993	29.67
1994	29.96
1995	30.14
1996	30.48
1997	30.2
1998	29.91
1999	29.56
2000	29.72
2001	29.42
2002	29.97
2003	29.87
2004	29.79
2005	29.84
2006	29.8
2007	30.09
2008	30.01
2009	29.96
2010	29.9
2011	29.6
2012	29.21
2013	28.91
2014	28.67
2015	28.38
2016	28.08