Year	Cases per 100,000
1990	25.63
1991	26.03
1992	26.24
1993	26.46
1994	26.48
1995	25.71
1996	24.3
1997	23.49
1998	24.03
1999	24.07
2000	24.84
2001	25.08
2002	24.83
2003	25.71
2004	24.76
2005	24.38
2006	25.31
2007	26.06
2008	26.33
2009	26.26
2010	25.03
2011	25.16
2012	25.96
2013	25.51
2014	25.63
2015	25.74
2016	25.78