{"entity":{"iso2":"ES","iso3":"ESP","name":"Spain","slug":"spain"},"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":16.2752},{"date":"2006-01-01","value":12.8155},{"date":"2007-01-01","value":0.482153},{"date":"2008-01-01","value":11.988},{"date":"2009-01-01","value":8.66192},{"date":"2010-01-01","value":9.00928},{"date":"2011-01-01","value":8.55295},{"date":"2012-01-01","value":5.38754},{"date":"2013-01-01","value":3.05595},{"date":"2014-01-01","value":4.14645},{"date":"2015-01-01","value":5.49917},{"date":"2016-01-01","value":3.65076},{"date":"2017-01-01","value":4.02907},{"date":"2018-01-01","value":10.3893},{"date":"2019-01-01","value":15.3647},{"date":"2020-01-01","value":14.5932},{"date":"2021-01-01","value":30.3093},{"date":"2022-01-01","value":44.5134},{"date":"2023-01-01","value":43.3917},{"date":"2024-01-01","value":34.5486},{"date":"2025-01-01","value":38.5364}],"summary":{"latest_period":"2025-01-01","latest_value":38.5364,"max":44.5134,"mean":8.7892,"min":0.0,"of":200,"rank":12,"trend":"volatile"}}
