Year	Cases per 100,000
1990	6.76
1991	6.85
1992	6.95
1993	7.04
1994	7.14
1995	7.24
1996	7.38
1997	7.52
1998	7.66
1999	7.81
2000	7.96
2001	8.04
2002	8.12
2003	8.2
2004	8.29
2005	8.38
2006	8.42
2007	8.45
2008	8.49
2009	8.53
2010	8.57
2011	8.65
2012	8.73
2013	8.81
2014	8.89
2015	8.97
2016	9.05