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{"Year":1917,"Price":3}
{"Year":1919,"Price":2}
{"Year":1932,"Price":3}
{"Year":1958,"Price":4}
{"Year":1963,"Price":5}
{"Year":1968,"Price":6}
{"Year":1971,"Price":8}
{"Year":1974,"Price":10}
{"Year":1975,"Price":13}
{"Year":1978,"Price":15}
{"Year":1981,"Price":18}
{"Year":1981,"Price":20}
{"Year":1985,"Price":22}
{"Year":1988,"Price":25}
{"Year":1991,"Price":29}
{"Year":1995,"Price":32}
{"Year":1999,"Price":33}
{"Year":2001,"Price":34}
{"Year":2002,"Price":37}
{"Year":2006,"Price":39}
{"Year":2007,"Price":41}
{"Year":2008,"Price":42}
{"Year":2009,"Price":44}
{"Year":2012,"Price":45}