Year	Cases per 100,000
1990	26.42
1991	27.16
1992	27.92
1993	28.7
1994	29.51
1995	30.35
1996	29.84
1997	29.34
1998	28.87
1999	28.4
2000	27.96
2001	28.39
2002	28.84
2003	29.29
2004	29.75
2005	30.22
2006	30.22
2007	30.22
2008	30.22
2009	30.22
2010	30.24
2011	30.2
2012	30.16
2013	30.12
2014	30.08
2015	30.05
2016	30.02