{"year":1957,"potatoeyield":195}
{"year":1958,"potatoeyield":175}
{"year":1959,"potatoeyield":152.7}
{"year":1960,"potatoeyield":160}
{"year":1961,"potatoeyield":165}
{"year":1962,"potatoeyield":191.3}
{"year":1963,"potatoeyield":202.4}
{"year":1964,"potatoeyield":209.3}
{"year":1965,"potatoeyield":166.8}
{"year":1966,"potatoeyield":206.8}
{"year":1967,"potatoeyield":188.4}
{"year":1968,"potatoeyield":208.8}
{"year":1969,"potatoeyield":214.2}
{"year":1970,"potatoeyield":201}
{"year":1971,"potatoeyield":199.4}
{"year":1972,"potatoeyield":224.1}
{"year":1973,"potatoeyield":227.5}
{"year":1974,"potatoeyield":239.5}
{"year":1975,"potatoeyield":201.8}
{"year":1976,"potatoeyield":241.4}
{"year":1977,"potatoeyield":215.1}
{"year":1978,"potatoeyield":221.2}
{"year":1979,"potatoeyield":254.9}
{"year":1980,"potatoeyield":227.9}
{"year":1981,"potatoeyield":252.6}
{"year":1982,"potatoeyield":265}
{"year":1983,"potatoeyield":243}
{"year":1984,"potatoeyield":264}
{"year":1985,"potatoeyield":256}
{"year":1986,"potatoeyield":275}
{"year":1987,"potatoeyield":242}
{"year":1988,"potatoeyield":268}
{"year":1989,"potatoeyield":270}
{"year":1990,"potatoeyield":250}
{"year":1991,"potatoeyield":250}
{"year":1992,"potatoeyield":290}
{"year":1993,"potatoeyield":260}
{"year":1994,"potatoeyield":245}
{"year":1995,"potatoeyield":265}
{"year":1996,"potatoeyield":260}
{"year":1997,"potatoeyield":265}
{"year":1998,"potatoeyield":265}
{"year":1999,"potatoeyield":260}
{"year":2000,"potatoeyield":270}
{"year":2001,"potatoeyield":172}
{"year":2002,"potatoeyield":280}
{"year":2003,"potatoeyield":265}
{"year":2004,"potatoeyield":275}
{"year":2005,"potatoeyield":275}
{"year":2006,"potatoeyield":310}
{"year":2007,"potatoeyield":285}
{"year":2008,"potatoeyield":280}
{"year":2009,"potatoeyield":300}
{"year":2010,"potatoeyield":300}
{"year":2011,"potatoeyield":285}
{"year":2012,"potatoeyield":277.5}
{"year":2013,"potatoeyield":281}
{"year":2014,"potatoeyield":290.1}