Year	Cases per 100,000
1990	32.7
1991	33.57
1992	34.46
1993	35.39
1994	36.34
1995	37.32
1996	37.71
1997	38.1
1998	38.5
1999	38.9
2000	39.32
2001	39.83
2002	40.35
2003	40.89
2004	41.42
2005	41.97
2006	42.46
2007	42.95
2008	43.44
2009	43.95
2010	44.46
2011	44.28
2012	44.11
2013	43.94
2014	43.77
2015	43.6
2016	43.44