{"entity":{"iso2":null,"iso3":null,"name":"USSR","slug":"ussr"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"oil-proved-reserves","source":"U.S. Energy Information Administration (2022) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/oil-proved-reserves","title":"Oil reserves","unit":"cubic meters"},"observations":[{"date":"1980-01-01","value":10652100000.0},{"date":"1981-01-01","value":10016200000.0},{"date":"1982-01-01","value":10016200000.0},{"date":"1983-01-01","value":10016200000.0},{"date":"1984-01-01","value":10016200000.0},{"date":"1985-01-01","value":10016200000.0},{"date":"1986-01-01","value":9698230000.0},{"date":"1987-01-01","value":9380250000.0},{"date":"1988-01-01","value":9380250000.0},{"date":"1989-01-01","value":9300760000.0},{"date":"1990-01-01","value":9284860000.0},{"date":"1991-01-01","value":9062280000.0}],"summary":{"latest_period":"1991-01-01","latest_value":9062280000.0,"max":10652100000.0,"mean":9736650000.0,"min":9062280000.0,"of":1,"rank":1,"trend":"falling"}}