Year	Cases per 100,000
1990	4.64
1991	4.72
1992	4.8
1993	4.88
1994	4.97
1995	5.06
1996	5.15
1997	5.23
1998	5.32
1999	5.42
2000	5.51
2001	5.57
2002	5.63
2003	5.69
2004	5.75
2005	5.82
2006	5.81
2007	5.8
2008	5.79
2009	5.78
2010	5.78
2011	5.75
2012	5.73
2013	5.7
2014	5.67
2015	5.65
2016	5.63