Year	Cases per 100,000
1990	12.68
1991	12.84
1992	13
1993	13.17
1994	13.34
1995	13.51
1996	13.88
1997	14.25
1998	14.64
1999	15.05
2000	15.46
2001	16.02
2002	16.59
2003	17.19
2004	17.81
2005	18.46
2006	19.39
2007	20.35
2008	21.37
2009	22.45
2010	23.59
2011	24.4
2012	25.24
2013	26.12
2014	27.03
2015	27.98
2016	28.96