{"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-1","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.1","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 1","unit":null},"observations":[{"date":"2003-01-01","value":24.5706},{"date":"2006-01-01","value":28.085},{"date":"2009-01-01","value":24.4627},{"date":"2012-01-01","value":26.4954},{"date":"2015-01-01","value":28.4492},{"date":"2018-01-01","value":22.863}],"summary":{"latest_period":"2018-01-01","latest_value":22.863,"max":28.4492,"mean":25.821,"min":22.863,"of":53,"rank":14,"trend":"flat"}}