Year	Cases per 100,000
1990	25.02
1991	25.8
1992	26.64
1993	27.53
1994	28.47
1995	29.47
1996	30.13
1997	30.81
1998	31.52
1999	32.26
2000	33.03
2001	33.41
2002	33.8
2003	34.2
2004	34.6
2005	35.02
2006	35.32
2007	35.6
2008	35.9
2009	36.21
2010	36.53
2011	37.32
2012	38.15
2013	39.01
2014	39.89
2015	40.81
2016	41.75