Year	Cases per 100,000
1990	6.91
1991	6.93
1992	6.98
1993	7
1994	7.03
1995	7.11
1996	7.21
1997	7.02
1998	6.63
1999	6.62
2000	6.86
2001	6.73
2002	6.95
2003	7.08
2004	7.06
2005	6.92
2006	6.62
2007	6.29
2008	6.35
2009	6.16
2010	5.97
2011	6.08
2012	6.05
2013	6.33
2014	6.31
2015	6.32
2016	6.33