Year	Cases per 100,000
1990	35.76
1991	36.02
1992	36.31
1993	36.61
1994	36.92
1995	37.25
1996	37
1997	36.77
1998	36.55
1999	36.33
2000	36.14
2001	35.6
2002	35.09
2003	34.6
2004	34.11
2005	33.66
2006	33.46
2007	33.24
2008	33.06
2009	32.87
2010	32.71
2011	32.63
2012	32.58
2013	32.53
2014	32.48
2015	32.43
2016	32.41