{"id":"worldbank.bank-concentration.pol.annual","dataset_id":"worldbank-bank-concentration","indicator":"bank-concentration","geography":"POL","frequency":"annual","unit":"percent","start_period":"2000","end_period":"2021","org":"World Bank","original_indicator":"GFDD.OI.01","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","geography_name":"Poland","region":"Europe & Central Asia","observations":[{"period":"2000","value":76.59478,"flags":""},{"period":"2001","value":69.92622,"flags":""},{"period":"2002","value":76.5161,"flags":""},{"period":"2003","value":72.52149,"flags":""},{"period":"2004","value":69.16741,"flags":""},{"period":"2005","value":63.25541,"flags":""},{"period":"2006","value":55.74316,"flags":""},{"period":"2007","value":58.02315,"flags":""},{"period":"2008","value":52.33893,"flags":""},{"period":"2009","value":48.24254,"flags":""},{"period":"2010","value":44.25288,"flags":""},{"period":"2011","value":42.44534,"flags":""},{"period":"2012","value":38.56158,"flags":""},{"period":"2013","value":40.56721,"flags":""},{"period":"2014","value":44.78393,"flags":""},{"period":"2015","value":45.38911,"flags":""},{"period":"2016","value":43.33002,"flags":""},{"period":"2017","value":43.60366,"flags":""},{"period":"2018","value":47.82885,"flags":""},{"period":"2019","value":47.94167,"flags":""},{"period":"2020","value":48.47562,"flags":""},{"period":"2021","value":49.89987,"flags":""}],"indicator_name":"Bank concentration","topic":"Financial Sector","source":"worldbank","provenance":{"organization":"World Bank","original_indicator":"GFDD.OI.01","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","license":"see source"}}