Year	Cases per 100,000
1990	23.4
1991	23.67
1992	23.95
1993	24.23
1994	24.53
1995	24.83
1996	25.49
1997	26.18
1998	26.9
1999	27.65
2000	28.44
2001	29.12
2002	29.83
2003	30.58
2004	31.35
2005	32.16
2006	32.78
2007	33.42
2008	34.07
2009	34.75
2010	35.44
2011	36.13
2012	36.83
2013	37.56
2014	38.3
2015	39.06
2016	39.84