Year	Cases per 100,000
1990	25.35
1991	25.84
1992	26.21
1993	26.49
1994	28.03
1995	27.79
1996	26.99
1997	25.28
1998	25.28
1999	25.52
2000	25.28
2001	25.03
2002	24.71
2003	24.87
2004	25.04
2005	24.59
2006	25.27
2007	25.83
2008	26.29
2009	26.62
2010	27.04
2011	26.45
2012	26.29
2013	26.26
2014	26.79
2015	26.11
2016	25.33