Year	Cases per 100,000
1990	13.45
1991	13.65
1992	13.86
1993	14.07
1994	14.29
1995	14.51
1996	14.89
1997	15.28
1998	15.68
1999	16.09
2000	16.51
2001	17.13
2002	17.78
2003	18.46
2004	19.16
2005	19.89
2006	20.59
2007	21.31
2008	22.06
2009	22.84
2010	23.65
2011	24.23
2012	24.82
2013	25.44
2014	26.06
2015	26.71
2016	27.38