{"entity":{"iso2":null,"iso3":null,"name":"USSR","slug":"ussr"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"wheat-yield-annual-growth-rate","source":"Statizoid (derived)","source_url":null,"title":"Wheat \u2014 Yield, annual growth rate","unit":"% change on previous year"},"observations":[{"date":"1962-01-01","value":-0.514113},{"date":"1963-01-01","value":-26.7606},{"date":"1964-01-01","value":42.5291},{"date":"1965-01-01","value":-22.4228},{"date":"1966-01-01","value":68.969},{"date":"1967-01-01","value":-19.5942},{"date":"1968-01-01","value":20.2616},{"date":"1969-01-01","value":-11.8089},{"date":"1970-01-01","value":24.8003},{"date":"1971-01-01","value":0.869747},{"date":"1972-01-01","value":-4.67683},{"date":"1973-01-01","value":18.243},{"date":"1974-01-01","value":-19.1065},{"date":"1975-01-01","value":-24.0203},{"date":"1976-01-01","value":52.4345},{"date":"1977-01-01","value":-8.73343},{"date":"1978-01-01","value":29.2084},{"date":"1979-01-01","value":-18.4568},{"date":"1980-01-01","value":2.25528},{"date":"1981-01-01","value":-13.9906},{"date":"1982-01-01","value":7.55387},{"date":"1983-01-01","value":4.20826},{"date":"1984-01-01","value":-12.3286},{"date":"1985-01-01","value":14.471},{"date":"1986-01-01","value":22.001},{"date":"1987-01-01","value":-6.76535},{"date":"1988-01-01","value":-0.984002},{"date":"1989-01-01","value":11.4681},{"date":"1990-01-01","value":15.6703},{"date":"1991-01-01","value":-25.7944}],"summary":{"latest_period":"1991-01-01","latest_value":-25.7944,"max":68.969,"mean":3.9662,"min":-26.7606,"of":134,"rank":130,"trend":"volatile"}}