{"entity":{"iso2":null,"iso3":null,"name":"USSR","slug":"ussr"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"nuclear-primary-energy","source":"Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/nuclear-primary-energy","title":"Share of primary energy from nuclear","unit":"%"},"observations":[{"date":"1965-01-01","value":0.0834299},{"date":"1966-01-01","value":0.0871421},{"date":"1967-01-01","value":0.0903665},{"date":"1968-01-01","value":0.121463},{"date":"1969-01-01","value":0.134797},{"date":"1970-01-01","value":0.155221},{"date":"1971-01-01","value":0.181457},{"date":"1972-01-01","value":0.314523},{"date":"1973-01-01","value":0.434795},{"date":"1974-01-01","value":0.618154},{"date":"1975-01-01","value":0.783655},{"date":"1976-01-01","value":1.0063},{"date":"1977-01-01","value":1.28903},{"date":"1978-01-01","value":1.27346},{"date":"1979-01-01","value":1.40795},{"date":"1980-01-01","value":1.70923},{"date":"1981-01-01","value":1.97097},{"date":"1982-01-01","value":2.20821},{"date":"1983-01-01","value":2.40332},{"date":"1984-01-01","value":2.99467}],"summary":{"latest_period":"1984-01-01","latest_value":2.99467,"max":2.99467,"mean":0.963408,"min":0.0834299,"of":3,"rank":3,"trend":"volatile"}}