{"entity":{"iso2":null,"iso3":null,"name":"USSR","slug":"ussr"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"annual-change-fossil-fuels","source":"Energy Institute - Statistical Review of World Energy (2026); Smil (2017) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/annual-change-fossil-fuels","title":"Annual change in primary energy from fossil fuels","unit":"terawatt-hours"},"observations":[{"date":"1966-01-01","value":408.045},{"date":"1967-01-01","value":383.848},{"date":"1968-01-01","value":241.002},{"date":"1969-01-01","value":336.721},{"date":"1970-01-01","value":389.271},{"date":"1971-01-01","value":424.511},{"date":"1972-01-01","value":466.973},{"date":"1973-01-01","value":486.476},{"date":"1974-01-01","value":515.672},{"date":"1975-01-01","value":529.31},{"date":"1976-01-01","value":385.015},{"date":"1977-01-01","value":457.193},{"date":"1978-01-01","value":460.388},{"date":"1979-01-01","value":323.459},{"date":"1980-01-01","value":219.285},{"date":"1981-01-01","value":240.971},{"date":"1982-01-01","value":340.327},{"date":"1983-01-01","value":248.434},{"date":"1984-01-01","value":384.522}],"summary":{"latest_period":"1984-01-01","latest_value":384.522,"max":529.31,"mean":381.128,"min":219.285,"of":3,"rank":1,"trend":"falling"}}