Year	Cases per 100,000
1990	67.04
1991	65.26
1992	62.32
1993	59.85
1994	58.56
1995	56.75
1996	55.43
1997	54.16
1998	53.18
1999	52.74
2000	52.59
2001	52.5
2002	52.3
2003	52.24
2004	52.25
2005	52.3
2006	52.43
2007	52.5
2008	52.71
2009	52.88
2010	52.79
2011	52.82
2012	52.59
2013	52.35
2014	52
2015	51.56
2016	51.07