Year	Cases per 100,000
1990	58.79
1991	57.89
1992	57.92
1993	57.84
1994	57.54
1995	56.54
1996	55.67
1997	55.68
1998	56.18
1999	56.64
2000	57.28
2001	58.29
2002	59.47
2003	57.29
2004	56.25
2005	54.97
2006	52.62
2007	51.28
2008	50.37
2009	50.06
2010	49.91
2011	49.03
2012	48.61
2013	48.8
2014	49.49
2015	49.06
2016	48.94