Year	Cases per 100,000
1990	38.82
1991	38.39
1992	38.22
1993	37.43
1994	37.6
1995	38.05
1996	38.06
1997	38.93
1998	38.56
1999	39.05
2000	39.72
2001	36.56
2002	34.75
2003	33.37
2004	32.16
2005	30.99
2006	31.05
2007	31.01
2008	31.02
2009	31.37
2010	31.61
2011	31.65
2012	31.56
2013	31.38
2014	31.64
2015	32
2016	32.85