{"Year":1950,"Cases":319124,"Vaccine":"no"}
{"Year":1951,"Cases":530118,"Vaccine":"no"}
{"Year":1952,"Cases":683077,"Vaccine":"no"}
{"Year":1953,"Cases":449146,"Vaccine":"no"}
{"Year":1954,"Cases":682720,"Vaccine":"no"}
{"Year":1955,"Cases":555156,"Vaccine":"no"}
{"Year":1956,"Cases":611936,"Vaccine":"no"}
{"Year":1957,"Cases":486799,"Vaccine":"no"}
{"Year":1958,"Cases":763094,"Vaccine":"no"}
{"Year":1959,"Cases":406162,"Vaccine":"no"}
{"Year":1960,"Cases":441703,"Vaccine":"no"}
{"Year":1961,"Cases":423919,"Vaccine":"no"}
{"Year":1962,"Cases":481530,"Vaccine":"no"}
{"Year":1963,"Cases":385156,"Vaccine":"yes"}
{"Year":1964,"Cases":458053,"Vaccine":"yes"}
{"Year":1965,"Cases":261904,"Vaccine":"yes"}
{"Year":1966,"Cases":204136,"Vaccine":"yes"}
{"Year":1967,"Cases":62705,"Vaccine":"yes"}
{"Year":1968,"Cases":22231,"Vaccine":"yes"}
{"Year":1969,"Cases":25826,"Vaccine":"yes"}
{"Year":1970,"Cases":47351,"Vaccine":"yes"}
{"Year":1971,"Cases":75290,"Vaccine":"yes"}
{"Year":1972,"Cases":32275,"Vaccine":"yes"}
{"Year":1973,"Cases":26690,"Vaccine":"yes"}
{"Year":1974,"Cases":22094,"Vaccine":"yes"}
{"Year":1975,"Cases":24371,"Vaccine":"yes"}
{"Year":1976,"Cases":41126,"Vaccine":"yes"}
{"Year":1977,"Cases":57345,"Vaccine":"yes"}
{"Year":1978,"Cases":26871,"Vaccine":"yes"}
{"Year":1979,"Cases":13597,"Vaccine":"yes"}
{"Year":1980,"Cases":13506,"Vaccine":"yes"}
{"Year":1981,"Cases":3124,"Vaccine":"yes"}
{"Year":1982,"Cases":1714,"Vaccine":"yes"}
{"Year":1983,"Cases":1497,"Vaccine":"yes"}
{"Year":1984,"Cases":2587,"Vaccine":"yes"}
{"Year":1985,"Cases":2822,"Vaccine":"yes"}
{"Year":1986,"Cases":6282,"Vaccine":"yes"}
{"Year":1987,"Cases":3655,"Vaccine":"yes"}
{"Year":1988,"Cases":3396,"Vaccine":"yes"}
{"Year":1989,"Cases":18193,"Vaccine":"yes"}
{"Year":1990,"Cases":27786,"Vaccine":"yes"}
{"Year":1991,"Cases":9643,"Vaccine":"yes"}
{"Year":1992,"Cases":2237,"Vaccine":"yes"}
{"Year":1993,"Cases":312,"Vaccine":"yes"}
{"Year":1994,"Cases":963,"Vaccine":"yes"}
{"Year":1995,"Cases":309,"Vaccine":"yes"}
{"Year":1996,"Cases":508,"Vaccine":"yes"}
{"Year":1997,"Cases":138,"Vaccine":"yes"}
{"Year":1998,"Cases":100,"Vaccine":"yes"}
{"Year":1999,"Cases":100,"Vaccine":"yes"}
{"Year":2000,"Cases":86,"Vaccine":"yes"}
{"Year":2001,"Cases":116,"Vaccine":"yes"}
{"Year":2002,"Cases":44,"Vaccine":"yes"}
{"Year":2003,"Cases":56,"Vaccine":"yes"}
{"Year":2004,"Cases":37,"Vaccine":"yes"}
{"Year":2005,"Cases":66,"Vaccine":"yes"}
{"Year":2006,"Cases":55,"Vaccine":"yes"}
{"Year":2007,"Cases":43,"Vaccine":"yes"}
{"Year":2008,"Cases":132,"Vaccine":"yes"}