Year	Cases per 100,000
1990	5.74
1991	5.75
1992	5.77
1993	5.78
1994	5.8
1995	5.82
1996	5.83
1997	5.85
1998	5.86
1999	5.88
2000	5.9
2001	5.9
2002	5.9
2003	5.91
2004	5.92
2005	5.93
2006	5.93
2007	5.93
2008	5.94
2009	5.94
2010	5.95
2011	5.96
2012	5.98
2013	6
2014	6.01
2015	6.03
2016	6.05