Year	Cases per 100,000
1990	23.12
1991	23.22
1992	23.34
1993	23.45
1994	23.56
1995	23.68
1996	23.83
1997	23.99
1998	24.14
1999	24.3
2000	24.46
2001	24.56
2002	24.66
2003	24.77
2004	24.87
2005	24.98
2006	25.07
2007	25.16
2008	25.25
2009	25.34
2010	25.44
2011	25.55
2012	25.67
2013	25.79
2014	25.91
2015	26.04
2016	26.17