Year	Cases per 100,000
1990	9.58
1991	9.63
1992	9.68
1993	9.73
1994	9.78
1995	9.84
1996	10.25
1997	10.67
1998	11.12
1999	11.6
2000	12.09
2001	12.45
2002	12.83
2003	13.22
2004	13.62
2005	14.04
2006	13.99
2007	13.93
2008	13.89
2009	13.84
2010	13.8
2011	13.77
2012	13.75
2013	13.73
2014	13.72
2015	13.7
2016	13.69