{"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-5","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.5","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 5","unit":null},"observations":[{"date":"2003-01-01","value":7.76293},{"date":"2006-01-01","value":8.638},{"date":"2009-01-01","value":8.22875},{"date":"2012-01-01","value":11.7397},{"date":"2015-01-01","value":9.27109},{"date":"2018-01-01","value":11.7023}],"summary":{"latest_period":"2018-01-01","latest_value":11.7023,"max":11.7397,"mean":9.55712,"min":7.76293,"of":53,"rank":9,"trend":"rising"}}