Year	Cases per 100,000
1990	81.39
1991	83.21
1992	85.16
1993	87.23
1994	89.44
1995	91.8
1996	91.4
1997	91.04
1998	90.73
1999	90.45
2000	90.22
2001	89.18
2002	88.2
2003	87.26
2004	86.36
2005	85.52
2006	83.56
2007	81.69
2008	79.95
2009	78.3
2010	76.74
2011	76.47
2012	76.22
2013	75.97
2014	75.73
2015	75.49
2016	75.27