Year	Cases per 100,000
1990	2.48
1991	2.49
1992	2.49
1993	2.5
1994	2.51
1995	2.51
1996	2.52
1997	2.52
1998	2.52
1999	2.52
2000	2.53
2001	2.52
2002	2.51
2003	2.5
2004	2.49
2005	2.49
2006	2.49
2007	2.5
2008	2.51
2009	2.52
2010	2.53
2011	2.53
2012	2.53
2013	2.53
2014	2.53
2015	2.53
2016	2.54