{"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-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":21.1706},{"date":"2006-01-01","value":19.0485},{"date":"2009-01-01","value":19.0646},{"date":"2012-01-01","value":21.2354},{"date":"2015-01-01","value":20.6666},{"date":"2018-01-01","value":20.5221}],"summary":{"latest_period":"2018-01-01","latest_value":20.5221,"max":21.2354,"mean":20.2847,"min":19.0485,"of":53,"rank":17,"trend":"flat"}}