Year	Cases per 100,000
1990	26.81
1991	26.87
1992	26.92
1993	27.12
1994	27.12
1995	27.4
1996	27.42
1997	27.92
1998	28.12
1999	28.88
2000	29.62
2001	28.85
2002	28.45
2003	28.27
2004	28.33
2005	28.54
2006	28.31
2007	28.41
2008	28.59
2009	28.8
2010	29.49
2011	29.2
2012	28.83
2013	28.72
2014	28.75
2015	29.32
2016	29.21