Year	Cases per 100,000
1990	34.45
1991	34.93
1992	35.44
1993	35.96
1994	36.49
1995	37.05
1996	37.51
1997	37.98
1998	38.46
1999	38.96
2000	39.48
2001	39.22
2002	38.98
2003	38.76
2004	38.55
2005	38.37
2006	38.29
2007	38.2
2008	38.13
2009	38.06
2010	38.01
2011	38.23
2012	38.46
2013	38.7
2014	38.94
2015	39.19
2016	39.46