Year	Cases per 100,000
1990	63.5
1991	62.14
1992	61.3
1993	60.38
1994	60.17
1995	59.04
1996	58.44
1997	57.06
1998	55.69
1999	54.54
2000	53.61
2001	52.78
2002	52.15
2003	51.33
2004	51.03
2005	50.02
2006	49.09
2007	48.13
2008	48.32
2009	48.38
2010	48.48
2011	48.1
2012	47.81
2013	48.12
2014	48.41
2015	49
2016	49.46