Year	Cases per 100,000
1990	14.31
1991	14.29
1992	14.31
1993	14.38
1994	14.49
1995	14.64
1996	14.85
1997	15.07
1998	15.31
1999	15.57
2000	15.85
2001	16.08
2002	16.33
2003	16.58
2004	16.84
2005	17.12
2006	17.34
2007	17.58
2008	17.86
2009	18.15
2010	18.48
2011	18.59
2012	18.7
2013	18.82
2014	18.94
2015	19.06
2016	19.18