Year	Cases per 100,000
1990	5.83
1991	5.86
1992	5.9
1993	5.93
1994	5.97
1995	6.01
1996	6.03
1997	6.06
1998	6.08
1999	6.11
2000	6.14
2001	6.15
2002	6.17
2003	6.18
2004	6.2
2005	6.22
2006	6.26
2007	6.3
2008	6.34
2009	6.39
2010	6.44
2011	6.54
2012	6.65
2013	6.75
2014	6.86
2015	6.97
2016	7.08