Year	Cases per 100,000
1990	14.69
1991	12.92
1992	12.07
1993	11.7
1994	11.83
1995	13.03
1996	12.51
1997	12.54
1998	12.73
1999	12.67
2000	13.13
2001	13.49
2002	14.34
2003	14.57
2004	14.95
2005	15.49
2006	15.67
2007	15.76
2008	16.01
2009	15.92
2010	15.77
2011	15.32
2012	14.78
2013	14.3
2014	13.82
2015	13.47
2016	13.12