Year	Cases per 100,000
1980	56.27545
1981	48.44091
1982	51.38636
1983	54.79182
1984	51.68727
1985	56.02273
1986	55.58818
1987	50.17364
1988	57.37909
1989	60.04455
1990	54.1
1991	52.94
1992	51.96
1993	50.08
1994	48.46
1995	47
1996	45.13
1997	43.31
1998	41.09
1999	38.73
2000	36.99
2001	35.83
2002	34.49
2003	33.49
2004	32
2005	30.58
2006	29.21
2007	28.26
2008	27.48
2009	26.92
2010	26.64
2011	26.79
2012	27.17
2013	27.27
2014	27.63
2015	28.3
2016	28.74