Year	Cases per 100,000
1990	13.34
1991	14.11
1992	14.85
1993	15.59
1994	16.43
1995	17.2
1996	17.68
1997	18.13
1998	18.06
1999	18.3
2000	18.87
2001	19.18
2002	19.62
2003	20.07
2004	20.56
2005	21.16
2006	21.74
2007	22.4
2008	23.12
2009	23.76
2010	24.54
2011	25.1
2012	25.62
2013	26.08
2014	26.31
2015	26.19
2016	26.19