Year	Cases per 100,000
1990	11.76
1991	11.97
1992	12.24
1993	12.55
1994	12.92
1995	13.58
1996	14.21
1997	14.92
1998	15.69
1999	16.53
2000	17.51
2001	18.25
2002	19.04
2003	19.88
2004	20.77
2005	21.79
2006	23.03
2007	24.36
2008	25.78
2009	27.31
2010	28.94
2011	29.99
2012	31.08
2013	32.21
2014	33.54
2015	34.94
2016	36.43