Year	Cases per 100,000
1990	63.37
1991	61.96
1992	60.63
1993	59.62
1994	58.51
1995	58.09
1996	56.31
1997	53.45
1998	52.77
1999	51.74
2000	49.76
2001	49.25
2002	50.74
2003	52.35
2004	54.27
2005	54.79
2006	55.83
2007	57.18
2008	57.95
2009	59.11
2010	59.78
2011	59.93
2012	60.02
2013	59.87
2014	59.79
2015	59.78
2016	59.47