{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"annual-percentage-change-oil","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-percentage-change-oil","title":"Annual percentage change in primary energy from oil","unit":"%"},"observations":[{"date":"1966-01-01","value":14.088},{"date":"1967-01-01","value":25.7615},{"date":"1968-01-01","value":18.5191},{"date":"1969-01-01","value":22.7887},{"date":"1970-01-01","value":16.1707},{"date":"1971-01-01","value":9.98675},{"date":"1972-01-01","value":3.99168},{"date":"1973-01-01","value":5.44468},{"date":"1974-01-01","value":3.98698},{"date":"1975-01-01","value":5.99599},{"date":"1976-01-01","value":3.9199},{"date":"1977-01-01","value":3.95958},{"date":"1978-01-01","value":2.96229},{"date":"1979-01-01","value":3.03709},{"date":"1980-01-01","value":2.14198},{"date":"1981-01-01","value":-10.8681},{"date":"1982-01-01","value":-3.09613},{"date":"1983-01-01","value":-3.4279},{"date":"1984-01-01","value":-3.97184},{"date":"1985-01-01","value":-7.59548},{"date":"1986-01-01","value":5.40994},{"date":"1987-01-01","value":-3.91079},{"date":"1988-01-01","value":6.1707},{"date":"1989-01-01","value":-2.45185},{"date":"1990-01-01","value":-7.19978},{"date":"1991-01-01","value":-33.2213},{"date":"1992-01-01","value":-10.234},{"date":"1993-01-01","value":8.89298},{"date":"1994-01-01","value":-5.50481},{"date":"1995-01-01","value":2.68709},{"date":"1996-01-01","value":-7.91409},{"date":"1997-01-01","value":-21.3874},{"date":"1998-01-01","value":6.17823},{"date":"1999-01-01","value":-7.10557},{"date":"2000-01-01","value":-5.61371},{"date":"2001-01-01","value":3.49259},{"date":"2002-01-01","value":0.517246},{"date":"2003-01-01","value":5.54282},{"date":"2004-01-01","value":-3.14244},{"date":"2005-01-01","value":9.93992},{"date":"2006-01-01","value":1.1546},{"date":"2007-01-01","value":-1.89943},{"date":"2008-01-01","value":-1.72947},{"date":"2009-01-01","value":-8.71223},{"date":"2010-01-01","value":-9.3388},{"date":"2011-01-01","value":-4.50802},{"date":"2012-01-01","value":4.02389},{"date":"2013-01-01","value":-7.05897},{"date":"2014-01-01","value":7.90864},{"date":"2015-01-01","value":11.7152},{"date":"2016-01-01","value":1.70534},{"date":"2017-01-01","value":4.99371},{"date":"2018-01-01","value":-0.460017},{"date":"2019-01-01","value":4.87445},{"date":"2020-01-01","value":-10.148},{"date":"2021-01-01","value":5.04951},{"date":"2022-01-01","value":6.88617},{"date":"2023-01-01","value":-0.876539},{"date":"2024-01-01","value":4.74621},{"date":"2025-01-01","value":0.267868}],"summary":{"latest_period":"2025-01-01","latest_value":0.267868,"max":25.7615,"mean":1.05893,"min":-33.2213,"of":79,"rank":38,"trend":"volatile"}}