{"entity":{"iso2":"VN","iso3":"VNM","name":"Vietnam","slug":"viet-nam"},"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":"1982-01-01","value":0.08685},{"date":"1983-01-01","value":0.448725},{"date":"1984-01-01","value":-0.0820251},{"date":"1985-01-01","value":-0.207475},{"date":"1986-01-01","value":0.014475},{"date":"1987-01-01","value":0.0},{"date":"1988-01-01","value":-0.08685},{"date":"1989-01-01","value":0.04825},{"date":"1990-01-01","value":0.06755},{"date":"1991-01-01","value":0.3088},{"date":"1992-01-01","value":1.3317},{"date":"1993-01-01","value":0.386},{"date":"1994-01-01","value":0.0},{"date":"1995-01-01","value":-1.00843},{"date":"1996-01-01","value":1.36548},{"date":"1997-01-01","value":2.3546},{"date":"1998-01-01","value":3.56085},{"date":"1999-01-01","value":3.86},{"date":"2000-01-01","value":2.895},{"date":"2001-01-01","value":3.86},{"date":"2002-01-01","value":3.86},{"date":"2003-01-01","value":-0.26055},{"date":"2004-01-01","value":17.2446},{"date":"2005-01-01","value":22.002},{"date":"2006-01-01","value":5.404},{"date":"2007-01-01","value":0.771996},{"date":"2008-01-01","value":4.04336},{"date":"2009-01-01","value":4.93114},{"date":"2010-01-01","value":13.4328},{"date":"2011-01-01","value":-8.89729},{"date":"2012-01-01","value":8.44375},{"date":"2013-01-01","value":3.8214},{"date":"2014-01-01","value":4.42935},{"date":"2015-01-01","value":4.34249},{"date":"2016-01-01","value":-0.482498},{"date":"2017-01-01","value":-7.1796},{"date":"2018-01-01","value":1.3896},{"date":"2019-01-01","value":1.8335},{"date":"2020-01-01","value":-10.036},{"date":"2021-01-01","value":-16.405},{"date":"2022-01-01","value":5.983},{"date":"2023-01-01","value":-5.91497},{"date":"2024-01-01","value":-10.7864},{"date":"2025-01-01","value":-3.43168}],"summary":{"latest_period":"2025-01-01","latest_value":-3.43168,"max":22.002,"mean":1.31233,"min":-16.405,"of":76,"rank":58,"trend":"volatile"}}