Year	Cases per 100,000
1953	36.21
1954	35.28
1955	37.74
1956	37.74
1957	36.49
1958	36.19
1959	38.72
1960	38.95
1961	39.41
1962	38.98
1963	39.78
1964	41.9
1965	40.85
1966	41.86
1967	44.78
1968	43.86
1969	42.9
1970	42.93
1971	46.682
1972	47.544
1973	48.026
1974	52.278
1975	52.98
1976	56.602
1977	53.584
1978	54.546
1979	58.458
1980	59.44
1981	57.182
1982	61.554
1983	62.606
1984	62.508
1985	66.82
1986	69.312
1987	64.924
1988	67.716
1989	67.678
1990	68.66
1991	69.95
1992	71.36
1993	72.91
1994	74.61
1995	76.48
1996	78.18
1997	80.02
1998	81.99
1999	84.12
2000	86.43
2001	86.69
2002	86.97
2003	87.27
2004	87.58
2005	87.93
2006	87.15
2007	86.39
2008	85.66
2009	84.96
2010	84.3
2011	84.18
2012	84.09
2013	84
2014	83.91
2015	83.84
2016	83.78