{"entity":{"iso2":"TR","iso3":"TUR","name":"Turkey","slug":"turkiye"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-15-year-olds-by-mathematics-proficiency-level-percent-level-4","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.4","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 4","unit":null},"observations":[{"date":"2003-01-01","value":6.76276},{"date":"2006-01-01","value":6.65825},{"date":"2009-01-01","value":9.61446},{"date":"2012-01-01","value":10.0861},{"date":"2015-01-01","value":5.87465},{"date":"2018-01-01","value":10.9021}],"summary":{"latest_period":"2018-01-01","latest_value":10.9021,"max":10.9021,"mean":8.31639,"min":5.87465,"of":53,"rank":39,"trend":"rising"}}