Year	Cases per 100,000
1990	11.98
1991	12.05
1992	12.11
1993	12.19
1994	12.26
1995	12.34
1996	12.6
1997	12.87
1998	13.16
1999	13.45
2000	13.75
2001	14.04
2002	14.34
2003	14.65
2004	14.97
2005	15.31
2006	15.58
2007	15.88
2008	16.19
2009	16.53
2010	16.9
2011	16.86
2012	16.82
2013	16.78
2014	16.74
2015	16.71
2016	16.68