Year	Cases per 100,000
1990	32.95
1991	32.47
1992	32.04
1993	31.67
1994	31.3
1995	31.01
1996	31.02
1997	31.48
1998	31.85
1999	32.23
2000	32.58
2001	33.24
2002	33.97
2003	34.79
2004	35.66
2005	36.58
2006	37.2
2007	37.96
2008	38.71
2009	39.68
2010	40.78
2011	41.09
2012	41.42
2013	41.74
2014	42.09
2015	42.44
2016	42.76