Year	Cases per 100,000
1990	32.95
1991	33.07
1992	33.1
1993	33.19
1994	33.22
1995	33.34
1996	33.45
1997	33.63
1998	33.87
1999	34.07
2000	34.38
2001	34.73
2002	35.14
2003	35.42
2004	35.6
2005	35.71
2006	35.71
2007	35.58
2008	35.33
2009	35.09
2010	34.81
2011	34.51
2012	34.2
2013	33.84
2014	33.53
2015	33.22
2016	32.71