{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"annual-percentage-change-wind","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-wind","title":"Annual percentage change in primary energy from wind","unit":"%"},"observations":[{"date":"2005-01-01","value":358.7},{"date":"2006-01-01","value":337.039},{"date":"2007-01-01","value":133.461},{"date":"2008-01-01","value":160.156},{"date":"2009-01-01","value":94.6556},{"date":"2010-01-01","value":187.487},{"date":"2011-01-01","value":26.3772},{"date":"2012-01-01","value":41.7844},{"date":"2013-01-01","value":12.5001},{"date":"2014-01-01","value":-3.12593},{"date":"2015-01-01","value":9.08886},{"date":"2016-01-01","value":-1.82852},{"date":"2017-01-01","value":5.55056},{"date":"2018-01-01","value":-12.3626},{"date":"2019-01-01","value":-0.0861157},{"date":"2020-01-01","value":12.1598},{"date":"2021-01-01","value":-2.94963},{"date":"2022-01-01","value":4.57349},{"date":"2023-01-01","value":5.65176},{"date":"2024-01-01","value":-13.0546},{"date":"2025-01-01","value":-6.93495}],"summary":{"latest_period":"2025-01-01","latest_value":-6.93495,"max":358.7,"mean":64.2306,"min":-13.0546,"of":71,"rank":59,"trend":"volatile"}}