{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"oil-proved-reserves","source":"U.S. Energy Information Administration (2022) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/oil-proved-reserves","title":"Oil reserves","unit":"cubic meters"},"observations":[{"date":"1992-01-01","value":4769620.0},{"date":"1993-01-01","value":6710540.0},{"date":"1994-01-01","value":5849620.0},{"date":"1995-01-01","value":5613840.0},{"date":"1996-01-01","value":4981710.0},{"date":"1997-01-01","value":6368550.0},{"date":"1998-01-01","value":6368550.0},{"date":"1999-01-01","value":18264900.0},{"date":"2000-01-01","value":18264900.0},{"date":"2001-01-01","value":18264900.0},{"date":"2002-01-01","value":18264900.0},{"date":"2003-01-01","value":15322400.0},{"date":"2004-01-01","value":15322400.0},{"date":"2005-01-01","value":15322400.0},{"date":"2006-01-01","value":15322400.0},{"date":"2007-01-01","value":15322400.0},{"date":"2008-01-01","value":15322400.0},{"date":"2009-01-01","value":15322400.0},{"date":"2010-01-01","value":15322400.0},{"date":"2011-01-01","value":15322400.0},{"date":"2012-01-01","value":24643000.0},{"date":"2013-01-01","value":24884700.0},{"date":"2014-01-01","value":24413000.0},{"date":"2015-01-01","value":22726400.0},{"date":"2016-01-01","value":21900800.0},{"date":"2017-01-01","value":21900800.0},{"date":"2018-01-01","value":20350400.0},{"date":"2019-01-01","value":19714400.0},{"date":"2020-01-01","value":18919500.0},{"date":"2021-01-01","value":17965600.0}],"summary":{"latest_period":"2021-01-01","latest_value":17965600.0,"max":24884700.0,"mean":15634700.0,"min":4769620.0,"of":215,"rank":69,"trend":"rising"}}