Year	Cases per 100,000
1990	54.35
1991	53.34
1992	52.37
1993	51.43
1994	50.52
1995	49.65
1996	50.93
1997	52.3
1998	53.73
1999	55.22
2000	56.8
2001	58.41
2002	60.11
2003	61.88
2004	63.74
2005	65.68
2006	66.91
2007	68.17
2008	69.48
2009	70.84
2010	72.26
2011	72.53
2012	72.83
2013	73.15
2014	73.47
2015	73.81
2016	74.19