Year	Cases per 100,000
1990	54.5
1991	55.31
1992	56.16
1993	57.03
1994	57.93
1995	58.86
1996	59.97
1997	61.13
1998	62.33
1999	63.57
2000	64.86
2001	65.55
2002	66.27
2003	67.01
2004	67.77
2005	68.56
2006	68.69
2007	68.83
2008	68.98
2009	69.14
2010	69.33
2011	69.27
2012	69.24
2013	69.22
2014	69.21
2015	69.2
2016	69.22