{"entity":{"iso2":"PL","iso3":"POL","name":"Poland","slug":"poland"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-15-year-olds-by-mathematics-proficiency-level-percent-level-2","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.2","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 2","unit":null},"observations":[{"date":"2003-01-01","value":24.8426},{"date":"2006-01-01","value":24.6929},{"date":"2009-01-01","value":23.9914},{"date":"2012-01-01","value":22.0808},{"date":"2015-01-01","value":22.8918},{"date":"2018-01-01","value":20.6529}],"summary":{"latest_period":"2018-01-01","latest_value":20.6529,"max":24.8426,"mean":23.1921,"min":20.6529,"of":53,"rank":42,"trend":"falling"}}