{"entity":{"iso2":null,"iso3":null,"name":"USSR","slug":"ussr"},"indicator":{"licence":"CC BY-NC-SA 3.0 IGO (FAO)","slug":"nutrient-balance-cropland-nitrogen-use-efficiency","source":"Food and Agriculture Organization of the United Nations","source_url":"https://www.fao.org/faostat/en/#data/ESB","title":"Nutrient balance \u2014 Cropland nitrogen use efficiency","unit":"%"},"observations":[{"date":"1961-01-01","value":46.0684},{"date":"1962-01-01","value":43.7571},{"date":"1963-01-01","value":34.0544},{"date":"1964-01-01","value":45.67},{"date":"1965-01-01","value":37.0152},{"date":"1966-01-01","value":44.721},{"date":"1967-01-01","value":38.498},{"date":"1968-01-01","value":41.3331},{"date":"1969-01-01","value":37.443},{"date":"1970-01-01","value":39.7045},{"date":"1971-01-01","value":35.984},{"date":"1972-01-01","value":31.7465},{"date":"1973-01-01","value":38.4147},{"date":"1974-01-01","value":32.9594},{"date":"1975-01-01","value":24.2948},{"date":"1976-01-01","value":34.8895},{"date":"1977-01-01","value":31.0777},{"date":"1978-01-01","value":35.2438},{"date":"1979-01-01","value":28.6932},{"date":"1980-01-01","value":27.786},{"date":"1981-01-01","value":24.3934},{"date":"1982-01-01","value":26.7828},{"date":"1983-01-01","value":25.5875},{"date":"1984-01-01","value":23.2511},{"date":"1985-01-01","value":24.0236},{"date":"1986-01-01","value":24.9941},{"date":"1987-01-01","value":24.4201},{"date":"1988-01-01","value":23.5998},{"date":"1989-01-01","value":27.8027},{"date":"1990-01-01","value":31.8454},{"date":"1991-01-01","value":26.3571}],"summary":{"latest_period":"1991-01-01","latest_value":26.3571,"max":46.0684,"mean":32.6584,"min":23.2511,"of":201,"rank":174,"trend":"falling"}}