Year	Cases per 100,000
1990	51.03
1991	50.7
1992	50.2
1993	49.73
1994	49.83
1995	49.06
1996	48.47
1997	48.27
1998	48.41
1999	48.27
2000	47.73
2001	47.66
2002	47.54
2003	46.65
2004	46
2005	45.27
2006	45.23
2007	45.01
2008	44.66
2009	44.48
2010	44.21
2011	44.02
2012	43.87
2013	43.7
2014	43.37
2015	43.09
2016	42.72