Year	Cases per 100,000
1990	5.44
1991	5.49
1992	5.55
1993	5.6
1994	5.66
1995	5.72
1996	5.78
1997	5.84
1998	5.91
1999	5.97
2000	6.04
2001	6.11
2002	6.18
2003	6.25
2004	6.33
2005	6.4
2006	6.48
2007	6.55
2008	6.62
2009	6.7
2010	6.78
2011	6.81
2012	6.84
2013	6.87
2014	6.9
2015	6.93
2016	6.96