Year	Cases per 100,000
1990	10.86
1991	11.07
1992	11.29
1993	11.51
1994	11.74
1995	11.99
1996	12.41
1997	12.85
1998	13.32
1999	13.82
2000	14.35
2001	14.67
2002	14.99
2003	15.33
2004	15.68
2005	16.05
2006	15.86
2007	15.67
2008	15.48
2009	15.3
2010	15.13
2011	15.2
2012	15.27
2013	15.34
2014	15.41
2015	15.48
2016	15.56