Year	Cases per 100,000
1990	83.69
1991	85.27
1992	86.59
1993	94.22
1994	99
1995	91.67
1996	79.96
1997	75.83
1998	78.09
1999	74.32
2000	72.49
2001	76.99
2002	77.39
2003	75.97
2004	78
2005	82.79
2006	85.65
2007	85.46
2008	82.33
2009	79.04
2010	77.75
2011	75.55
2012	75.51
2013	73.12
2014	70.52
2015	69.03
2016	68.22