Year	Cases per 100,000
1990	68.98
1991	67.54
1992	65.66
1993	64.97
1994	64.44
1995	62.18
1996	60.17
1997	58.21
1998	56.75
1999	56.05
2000	54.75
2001	53.82
2002	52.43
2003	51.66
2004	50.95
2005	50.44
2006	49.72
2007	48.94
2008	48.19
2009	47.51
2010	47.13
2011	46.69
2012	46.02
2013	45.31
2014	44.65
2015	44.1
2016	43.64