Year	Cases per 100,000
1990	22.97
1991	23.04
1992	23.13
1993	23.21
1994	23.29
1995	23.38
1996	23.5
1997	23.63
1998	23.75
1999	23.88
2000	24.01
2001	24.13
2002	24.26
2003	24.39
2004	24.52
2005	24.66
2006	24.81
2007	24.96
2008	25.11
2009	25.26
2010	25.42
2011	25.64
2012	25.87
2013	26.1
2014	26.34
2015	26.58
2016	26.83