Year	Cases per 100,000
1990	26.55
1991	26.64
1992	26.7
1993	26.76
1994	26.82
1995	26.89
1996	26.9
1997	26.95
1998	27.09
1999	27.06
2000	27.23
2001	27.27
2002	27.35
2003	27.44
2004	27.5
2005	27.58
2006	27.61
2007	27.61
2008	27.61
2009	27.62
2010	27.62
2011	27.59
2012	27.57
2013	27.55
2014	27.55
2015	27.55
2016	27.51