{"entity":{"iso2":"EL","iso3":"GRC","name":"Greece","slug":"greece"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-15-year-olds-by-mathematics-proficiency-level-percent-level-3","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.3","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 3","unit":null},"observations":[{"date":"2003-01-01","value":20.1632},{"date":"2006-01-01","value":23.2214},{"date":"2009-01-01","value":23.9721},{"date":"2012-01-01","value":22.0744},{"date":"2015-01-01","value":22.052},{"date":"2018-01-01","value":22.493}],"summary":{"latest_period":"2018-01-01","latest_value":22.493,"max":23.9721,"mean":22.3293,"min":20.1632,"of":53,"rank":35,"trend":"flat"}}