{"entity":{"iso2":"BE","iso3":"BEL","name":"Belgium","slug":"belgium"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"annual-percentage-change-hydro","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-hydro","title":"Annual percentage change in primary energy from hydropower","unit":"%"},"observations":[{"date":"1966-01-01","value":9.92647},{"date":"1967-01-01","value":-20.4013},{"date":"1968-01-01","value":2.52101},{"date":"1969-01-01","value":-5.7377},{"date":"1970-01-01","value":6.95652},{"date":"1971-01-01","value":-45.5285},{"date":"1972-01-01","value":34.3284},{"date":"1973-01-01","value":-5.0},{"date":"1974-01-01","value":40.3509},{"date":"1975-01-01","value":-23.75},{"date":"1976-01-01","value":-40.4372},{"date":"1977-01-01","value":105.505},{"date":"1978-01-01","value":-0.446429},{"date":"1979-01-01","value":4.93273},{"date":"1980-01-01","value":18.8034},{"date":"1981-01-01","value":37.0503},{"date":"1982-01-01","value":-12.5984},{"date":"1983-01-01","value":0.900898},{"date":"1984-01-01","value":4.46428},{"date":"1985-01-01","value":-18.2336},{"date":"1986-01-01","value":19.5122},{"date":"1987-01-01","value":25.0729},{"date":"1988-01-01","value":-16.317},{"date":"1989-01-01","value":-15.0418},{"date":"1990-01-01","value":-12.7869},{"date":"1991-01-01","value":-13.9098},{"date":"1992-01-01","value":48.9083},{"date":"1993-01-01","value":-25.5132},{"date":"1994-01-01","value":36.2205},{"date":"1995-01-01","value":-2.31214},{"date":"1996-01-01","value":-29.2899},{"date":"1997-01-01","value":27.6151},{"date":"1998-01-01","value":27.541},{"date":"1999-01-01","value":-12.3393},{"date":"2000-01-01","value":34.8974},{"date":"2001-01-01","value":-4.13044},{"date":"2002-01-01","value":-18.3673},{"date":"2003-01-01","value":-31.3889},{"date":"2004-01-01","value":28.3401},{"date":"2005-01-01","value":-9.14827},{"date":"2006-01-01","value":24.6528},{"date":"2007-01-01","value":8.35655},{"date":"2008-01-01","value":5.39846},{"date":"2009-01-01","value":-20.0},{"date":"2010-01-01","value":-4.87805},{"date":"2011-01-01","value":-37.1795},{"date":"2012-01-01","value":82.1428},{"date":"2013-01-01","value":6.44259},{"date":"2014-01-01","value":-23.1053},{"date":"2015-01-01","value":8.96647},{"date":"2016-01-01","value":16.206},{"date":"2017-01-01","value":-27.0},{"date":"2018-01-01","value":8.21917},{"date":"2019-01-01","value":3.31852},{"date":"2020-01-01","value":-11.6225},{"date":"2021-01-01","value":56.6504},{"date":"2022-01-01","value":-35.1591},{"date":"2023-01-01","value":48.3954},{"date":"2024-01-01","value":35.6451},{"date":"2025-01-01","value":-32.0039}],"summary":{"latest_period":"2025-01-01","latest_value":-32.0039,"max":105.505,"mean":4.41025,"min":-45.5285,"of":68,"rank":63,"trend":"volatile"}}