Year	Cases per 100,000
1990	42.63
1991	43.16
1992	43.66
1993	44.09
1994	44.3
1995	44.34
1996	45.35
1997	45.79
1998	45.3
1999	44.54
2000	44.62
2001	43.55
2002	43.11
2003	42.08
2004	42.08
2005	40.78
2006	40.42
2007	39.77
2008	38.59
2009	38.43
2010	38.31
2011	37.52
2012	37.63
2013	36.8
2014	36.4
2015	36.02
2016	35.68