Year	Cases per 100,000
1990	2.66
1991	2.66
1992	2.67
1993	2.67
1994	2.68
1995	2.69
1996	2.68
1997	2.68
1998	2.68
1999	2.68
2000	2.68
2001	2.67
2002	2.66
2003	2.66
2004	2.65
2005	2.65
2006	2.66
2007	2.67
2008	2.69
2009	2.7
2010	2.72
2011	2.73
2012	2.74
2013	2.75
2014	2.76
2015	2.77
2016	2.79