{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"sample-size","source":null,"source_url":"https://data.worldbank.org/indicator/BI.POP.TOTL.CV","title":"Sample size","unit":null},"observations":[{"date":"2001-01-01","value":79190.0},{"date":"2002-01-01","value":80483.0},{"date":"2003-01-01","value":81318.0},{"date":"2004-01-01","value":80791.0},{"date":"2005-01-01","value":37671.0},{"date":"2006-01-01","value":34893.0},{"date":"2007-01-01","value":32801.0},{"date":"2008-01-01","value":31619.0},{"date":"2009-01-01","value":29229.0},{"date":"2010-01-01","value":28552.0},{"date":"2011-01-01","value":30421.0},{"date":"2012-01-01","value":30755.0},{"date":"2013-01-01","value":30162.0},{"date":"2014-01-01","value":29984.0},{"date":"2015-01-01","value":27997.0},{"date":"2016-01-01","value":27131.0},{"date":"2017-01-01","value":29098.0},{"date":"2020-01-01","value":32490.0}],"summary":{"latest_period":"2020-01-01","latest_value":32490.0,"max":81318.0,"mean":41921.4,"min":27131.0,"of":80,"rank":37,"trend":"falling"}}