Year	Cases per 100,000
1990	25.68
1991	26.89
1992	28.22
1993	29.65
1994	31.19
1995	32.88
1996	33.73
1997	34.64
1998	35.6
1999	36.59
2000	37.64
2001	37.94
2002	38.28
2003	38.62
2004	38.97
2005	39.34
2006	39.13
2007	38.9
2008	38.7
2009	38.49
2010	38.32
2011	38.96
2012	39.63
2013	40.32
2014	41.03
2015	41.75
2016	42.51