{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"annual-change-gas","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-gas","title":"Annual change in primary energy from gas","unit":"terawatt-hours"},"observations":[{"date":"1966-01-01","value":0.27675},{"date":"1967-01-01","value":1.71585},{"date":"1968-01-01","value":1.35608},{"date":"1969-01-01","value":0.156825},{"date":"1970-01-01","value":-0.396675},{"date":"1971-01-01","value":-0.79505},{"date":"1972-01-01","value":-0.9385},{"date":"1973-01-01","value":0.0145001},{"date":"1974-01-01","value":2.302},{"date":"1975-01-01","value":7.04425},{"date":"1976-01-01","value":8.462},{"date":"1977-01-01","value":5.45475},{"date":"1978-01-01","value":1.68475},{"date":"1979-01-01","value":1.87925},{"date":"1980-01-01","value":8.212},{"date":"1981-01-01","value":3.24775},{"date":"1982-01-01","value":4.28875},{"date":"1983-01-01","value":2.2615},{"date":"1984-01-01","value":2.4055},{"date":"1985-01-01","value":4.463},{"date":"1986-01-01","value":-0.372501},{"date":"1987-01-01","value":6.1375},{"date":"1988-01-01","value":-1.6985},{"date":"1989-01-01","value":1.69875},{"date":"1990-01-01","value":3.59425},{"date":"1991-01-01","value":-9.798},{"date":"1992-01-01","value":-6.09825},{"date":"1993-01-01","value":-3.2755},{"date":"1994-01-01","value":0.0169983},{"date":"1995-01-01","value":9.0765},{"date":"1996-01-01","value":1.145},{"date":"1997-01-01","value":-10.937},{"date":"1998-01-01","value":-7.04575},{"date":"1999-01-01","value":-4.823},{"date":"2000-01-01","value":2.78975},{"date":"2001-01-01","value":-5.429},{"date":"2002-01-01","value":-3.24625},{"date":"2003-01-01","value":1.44},{"date":"2004-01-01","value":-0.634249},{"date":"2005-01-01","value":6.46525},{"date":"2006-01-01","value":0.993004},{"date":"2007-01-01","value":0.261997},{"date":"2008-01-01","value":0.00225067},{"date":"2009-01-01","value":-9.6575},{"date":"2010-01-01","value":2.459},{"date":"2011-01-01","value":3.87175},{"date":"2012-01-01","value":-2.08225},{"date":"2013-01-01","value":-0.968252},{"date":"2014-01-01","value":-0.182499},{"date":"2015-01-01","value":2.642},{"date":"2016-01-01","value":1.247},{"date":"2017-01-01","value":0.886002},{"date":"2018-01-01","value":-1.90725},{"date":"2019-01-01","value":-1.9205},{"date":"2020-01-01","value":0.897749},{"date":"2021-01-01","value":3.8135},{"date":"2022-01-01","value":-5.9855},{"date":"2023-01-01","value":-1.7745},{"date":"2024-01-01","value":1.872},{"date":"2025-01-01","value":-0.24325}],"summary":{"latest_period":"2025-01-01","latest_value":-0.24325,"max":9.0765,"mean":0.438767,"min":-10.937,"of":76,"rank":44,"trend":"volatile"}}