Year	Cases per 100,000
1963	13.27
1964	13.6
1965	14.37
1966	14.02
1967	18.88
1968	18.05
1969	17.55
1970	17.66
1971	16.758
1972	21.896
1973	21.174
1974	19.042
1975	24.19
1976	26.168
1977	26.506
1978	29.874
1979	30.042
1980	29.92
1981	35.098
1982	32.126
1983	35.104
1984	37.402
1985	37.89
1986	39.678
1987	43.306
1988	45.404
1989	46.422
1990	48.71
1991	50.03
1992	51.4
1993	52.8
1994	54.24
1995	55.74
1996	56.89
1997	58.08
1998	59.3
1999	60.54
2000	61.83
2001	62.6
2002	63.39
2003	64.2
2004	65.01
2005	65.85
2006	65.67
2007	65.48
2008	65.31
2009	65.14
2010	64.99
2011	64.04
2012	63.11
2013	62.2
2014	61.31
2015	60.43
2016	59.58