Year	Cases per 100,000
1990	46.16
1991	45.39
1992	44.94
1993	44.15
1994	42.84
1995	41.33
1996	39.48
1997	38.07
1998	36.09
1999	34.42
2000	32.66
2001	31.19
2002	30.56
2003	29.56
2004	29.05
2005	28.7
2006	28.17
2007	28.16
2008	27.86
2009	27.6
2010	27.35
2011	27.12
2012	26.86
2013	26.59
2014	26.34
2015	26.09
2016	25.86