Year	Cases per 100,000
1990	22.23
1991	22.44
1992	22.68
1993	22.93
1994	23.18
1995	23.47
1996	23.84
1997	24.25
1998	24.67
1999	25.11
2000	25.57
2001	25.97
2002	26.41
2003	26.85
2004	27.3
2005	27.8
2006	27.98
2007	28.15
2008	28.35
2009	28.54
2010	28.77
2011	28.8
2012	28.85
2013	28.9
2014	28.96
2015	29.02
2016	29.09