Year	Cases per 100,000
1990	57.91
1991	56.79
1992	55.76
1993	55.07
1994	54.35
1995	53.85
1996	53.44
1997	53.16
1998	53.21
1999	52.36
2000	49.3
2001	48.15
2002	49.4
2003	50.79
2004	52.43
2005	53.11
2006	53.17
2007	52.66
2008	52.42
2009	52.65
2010	52.52
2011	53.06
2012	53.61
2013	54.08
2014	54.49
2015	54.85
2016	54.89