Year	Cases per 100,000
1990	5.12
1991	5.2
1992	5.32
1993	5.63
1994	5.97
1995	6.47
1996	6.49
1997	6.53
1998	6.48
1999	6.33
2000	6.25
2001	6.3
2002	6.31
2003	6.33
2004	6.54
2005	6.61
2006	6.53
2007	6.58
2008	6.56
2009	6.64
2010	6.64
2011	6.68
2012	6.65
2013	6.55
2014	6.62
2015	6.59
2016	6.58