Year	Cases per 100,000
1990	62.99
1991	64.71
1992	66.52
1993	68.41
1994	70.39
1995	72.47
1996	72.9
1997	73.36
1998	73.83
1999	74.32
2000	74.84
2001	74.44
2002	74.06
2003	73.7
2004	73.35
2005	73.03
2006	72.39
2007	71.76
2008	71.15
2009	70.55
2010	69.98
2011	69.94
2012	69.91
2013	69.89
2014	69.87
2015	69.86
2016	69.86