Year	Cases per 100,000
1990	46.33
1991	45.86
1992	45.73
1993	45.16
1994	44.57
1995	44.22
1996	44.22
1997	44.3
1998	43.31
1999	42.87
2000	42.57
2001	40.89
2002	40.16
2003	39.2
2004	38.51
2005	38.3
2006	37.72
2007	37.89
2008	37.4
2009	37.55
2010	37.67
2011	37.41
2012	37.14
2013	36.88
2014	37.43
2015	38.11
2016	38.13