Year	Cases per 100,000
1963	37.25
1964	40.03
1965	37.63
1966	38.56
1967	45.71
1968	45.27
1969	44.44
1970	44.72
1971	49.454
1972	49.298
1973	55.262
1974	54.616
1975	59.35
1976	61.274
1977	59.678
1978	61.902
1979	62.916
1980	61.77
1981	68.644
1982	67.478
1983	65.912
1984	69.386
1985	78
1986	73.264
1987	70.358
1988	72.782
1989	77.436
1990	78.96
1991	79.42
1992	80.33
1993	82.08
1994	80.82
1995	80.64
1996	79.2
1997	78.97
1998	78.34
1999	77.12
2000	76.07
2001	75.46
2002	74.99
2003	76.17
2004	75.19
2005	73.84
2006	72.8
2007	70.53
2008	67.62
2009	64.45
2010	62.42
2011	59.52
2012	58.03
2013	55.96
2014	53.13
2015	53.11
2016	51.13