Year	Cases per 100,000
1990	9.59
1991	9.69
1992	9.82
1993	9.97
1994	10.14
1995	10.52
1996	10.76
1997	11.04
1998	11.36
1999	11.74
2000	12.28
2001	12.8
2002	13.39
2003	14.06
2004	14.82
2005	15.71
2006	16.74
2007	17.89
2008	19.19
2009	20.65
2010	22.3
2011	23.08
2012	23.91
2013	24.8
2014	25.75
2015	26.76
2016	27.85