Year	Cases per 100,000
1990	5.79
1991	5.85
1992	5.91
1993	5.98
1994	6.05
1995	6.12
1996	6.66
1997	7.25
1998	7.89
1999	8.59
2000	9.36
2001	9.87
2002	10.42
2003	10.99
2004	11.61
2005	12.26
2006	12.63
2007	13.01
2008	13.4
2009	13.8
2010	14.22
2011	14.35
2012	14.49
2013	14.62
2014	14.76
2015	14.9
2016	15.05