Year	Cases per 100,000
1990	16.41
1991	16.76
1992	17.13
1993	17.52
1994	17.92
1995	18.35
1996	17.8
1997	17.29
1998	16.8
1999	16.34
2000	15.91
2001	16.44
2002	17.03
2003	17.64
2004	18.29
2005	18.98
2006	19.79
2007	20.62
2008	21.53
2009	22.48
2010	23.5
2011	23.82
2012	24.15
2013	24.49
2014	24.85
2015	25.2
2016	25.59