Year	Cases per 100,000
1990	5.66
1991	5.63
1992	5.6
1993	5.59
1994	5.57
1995	5.55
1996	5.56
1997	5.57
1998	5.57
1999	5.56
2000	5.55
2001	5.65
2002	5.74
2003	5.83
2004	5.88
2005	5.91
2006	5.92
2007	5.93
2008	5.94
2009	5.95
2010	5.98
2011	5.94
2012	5.91
2013	5.91
2014	5.91
2015	5.93
2016	5.95