{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"carbon-tax-trading-coverage","source":"Dolphin and Merkle (2024) \u2013 with minor processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/carbon-tax-trading-coverage","title":"Share of CO\u2082 emissions covered by a carbon price","unit":"%"},"observations":[{"date":"1989-01-01","value":0.0},{"date":"1990-01-01","value":10.6634},{"date":"1991-01-01","value":9.68814},{"date":"1992-01-01","value":9.17469},{"date":"1993-01-01","value":12.224},{"date":"1994-01-01","value":12.5135},{"date":"1995-01-01","value":16.4926},{"date":"1996-01-01","value":17.2423},{"date":"1997-01-01","value":16.8837},{"date":"1998-01-01","value":15.8167},{"date":"1999-01-01","value":13.863},{"date":"2000-01-01","value":14.373},{"date":"2001-01-01","value":12.8411},{"date":"2002-01-01","value":12.4568},{"date":"2003-01-01","value":11.6144},{"date":"2004-01-01","value":14.7198},{"date":"2005-01-01","value":57.2046},{"date":"2006-01-01","value":56.0621},{"date":"2007-01-01","value":56.832},{"date":"2008-01-01","value":56.2124},{"date":"2009-01-01","value":54.9112},{"date":"2010-01-01","value":53.9185},{"date":"2011-01-01","value":55.1031},{"date":"2012-01-01","value":54.2944},{"date":"2013-01-01","value":54.9559},{"date":"2014-01-01","value":54.5455},{"date":"2015-01-01","value":54.4511},{"date":"2016-01-01","value":52.4864},{"date":"2017-01-01","value":51.3592},{"date":"2018-01-01","value":50.9862},{"date":"2019-01-01","value":49.8911},{"date":"2020-01-01","value":48.5651},{"date":"2021-01-01","value":50.3581},{"date":"2022-01-01","value":50.4109},{"date":"2023-01-01","value":50.4109},{"date":"2024-01-01","value":50.412},{"date":"2025-01-01","value":50.412}],"summary":{"latest_period":"2025-01-01","latest_value":50.412,"max":57.2046,"mean":35.523,"min":0.0,"of":200,"rank":28,"trend":"volatile"}}