Year	Cases per 100,000
1990	13.06
1991	13.41
1992	13.78
1993	14.16
1994	14.58
1995	15.02
1996	15.23
1997	15.46
1998	15.7
1999	15.95
2000	16.2
2001	15.43
2002	14.73
2003	14.11
2004	13.54
2005	13.04
2006	13.07
2007	13.1
2008	13.15
2009	13.2
2010	13.25
2011	13.45
2012	13.67
2013	13.9
2014	14.13
2015	14.37
2016	14.62