{"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-below-level-1","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.0","title":"PISA: 15-year-olds by mathematics proficiency level (%). Below Level 1","unit":null},"observations":[{"date":"2003-01-01","value":27.6563},{"date":"2006-01-01","value":24.0087},{"date":"2009-01-01","value":17.6857},{"date":"2012-01-01","value":15.4848},{"date":"2015-01-01","value":22.9333},{"date":"2018-01-01","value":13.7962}],"summary":{"latest_period":"2018-01-01","latest_value":13.7962,"max":27.6563,"mean":20.2608,"min":13.7962,"of":53,"rank":18,"trend":"falling"}}