{"entity":{"iso2":"BE","iso3":"BEL","name":"Belgium","slug":"belgium"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"weighted-carbon-price-ets","source":"Dolphin and Merkle (2024) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/weighted-carbon-price-ets","title":"Emissions-weighted carbon price in emissions trading systems","unit":"constant 2021 US$ per tonne of CO\u2082 equivalents"},"observations":[{"date":"1989-01-01","value":0.0},{"date":"1990-01-01","value":0.0},{"date":"1991-01-01","value":0.0},{"date":"1992-01-01","value":0.0},{"date":"1993-01-01","value":0.0},{"date":"1994-01-01","value":0.0},{"date":"1995-01-01","value":0.0},{"date":"1996-01-01","value":0.0},{"date":"1997-01-01","value":0.0},{"date":"1998-01-01","value":0.0},{"date":"1999-01-01","value":0.0},{"date":"2000-01-01","value":0.0},{"date":"2001-01-01","value":0.0},{"date":"2002-01-01","value":0.0},{"date":"2003-01-01","value":0.0},{"date":"2004-01-01","value":0.0},{"date":"2005-01-01","value":14.7645},{"date":"2006-01-01","value":11.9728},{"date":"2007-01-01","value":0.442654},{"date":"2008-01-01","value":10.6408},{"date":"2009-01-01","value":7.86472},{"date":"2010-01-01","value":8.87465},{"date":"2011-01-01","value":7.69427},{"date":"2012-01-01","value":4.19454},{"date":"2013-01-01","value":2.377},{"date":"2014-01-01","value":3.25953},{"date":"2015-01-01","value":4.03387},{"date":"2016-01-01","value":2.69984},{"date":"2017-01-01","value":2.96055},{"date":"2018-01-01","value":8.01818},{"date":"2019-01-01","value":12.6779},{"date":"2020-01-01","value":12.3789},{"date":"2021-01-01","value":25.1199},{"date":"2022-01-01","value":35.9922},{"date":"2023-01-01","value":35.665},{"date":"2024-01-01","value":27.8973},{"date":"2025-01-01","value":31.1174}],"summary":{"latest_period":"2025-01-01","latest_value":31.1174,"max":35.9922,"mean":7.31477,"min":0.0,"of":200,"rank":20,"trend":"volatile"}}