Year	Cases per 100,000
1990	10.88
1991	11.09
1992	11.31
1993	11.54
1994	11.78
1995	12.03
1996	12.19
1997	12.37
1998	12.54
1999	12.73
2000	12.92
2001	13.16
2002	13.41
2003	13.67
2004	13.94
2005	14.22
2006	14.54
2007	14.87
2008	15.21
2009	15.57
2010	15.94
2011	16.18
2012	16.42
2013	16.67
2014	16.92
2015	17.18
2016	17.45