Year	Cases per 100,000
1990	24.42
1991	24.53
1992	24.65
1993	24.78
1994	24.9
1995	25.05
1996	25.22
1997	25.41
1998	25.6
1999	25.79
2000	26.01
2001	26.18
2002	26.38
2003	26.58
2004	26.78
2005	27
2006	27.14
2007	27.26
2008	27.41
2009	27.55
2010	27.71
2011	27.79
2012	27.89
2013	27.99
2014	28.09
2015	28.2
2016	28.31