Year	Cases per 100,000
1990	34.36
1991	33.67
1992	33
1993	32.52
1994	31.63
1995	30.93
1996	30.38
1997	29.77
1998	29.27
1999	28.78
2000	28.23
2001	27.82
2002	27.26
2003	26.92
2004	26.54
2005	26.21
2006	26.07
2007	25.94
2008	25.82
2009	25.7
2010	25.61
2011	25.56
2012	25.53
2013	25.49
2014	25.47
2015	25.44
2016	25.44