{"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-6","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.6","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 6","unit":null},"observations":[{"date":"2003-01-01","value":2.30797},{"date":"2006-01-01","value":1.98388},{"date":"2009-01-01","value":2.15967},{"date":"2012-01-01","value":4.99592},{"date":"2015-01-01","value":2.92193},{"date":"2018-01-01","value":4.08135}],"summary":{"latest_period":"2018-01-01","latest_value":4.08135,"max":4.99592,"mean":3.07512,"min":1.98388,"of":53,"rank":7,"trend":"rising"}}