Year	Cases per 100,000
1990	14.03
1991	14.39
1992	14.8
1993	15.23
1994	15.69
1995	16.2
1996	15.93
1997	15.69
1998	15.44
1999	15.21
2000	14.99
2001	14.71
2002	14.44
2003	14.19
2004	13.94
2005	13.71
2006	13.64
2007	13.57
2008	13.51
2009	13.46
2010	13.42
2011	13.72
2012	14.04
2013	14.38
2014	14.72
2015	15.08
2016	15.46