Year	Cases per 100,000
1990	39.61
1991	41.17
1992	42.82
1993	44.53
1994	46.32
1995	48.2
1996	49.52
1997	50.88
1998	52.29
1999	53.74
2000	55.23
2001	56.18
2002	57.15
2003	58.15
2004	59.17
2005	60.21
2006	60.52
2007	60.82
2008	61.13
2009	61.46
2010	61.79
2011	61.14
2012	60.5
2013	59.87
2014	59.25
2015	58.64
2016	58.04