Year	Cases per 100,000
1990	67.62
1991	68.77
1992	69.83
1993	70.81
1994	71.33
1995	71.55
1996	70.87
1997	70.26
1998	70.03
1999	70.08
2000	69.56
2001	69.37
2002	69.17
2003	69.16
2004	68.79
2005	68.66
2006	68.05
2007	67.84
2008	67.22
2009	66.47
2010	65.43
2011	64.19
2012	63.18
2013	61.23
2014	59.45
2015	58.17
2016	57.17