{"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-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":17.7723},{"date":"2006-01-01","value":13.2912},{"date":"2009-01-01","value":11.2538},{"date":"2012-01-01","value":14.4538},{"date":"2015-01-01","value":15.0899},{"date":"2018-01-01","value":15.3168}],"summary":{"latest_period":"2018-01-01","latest_value":15.3168,"max":17.7723,"mean":14.5296,"min":11.2538,"of":53,"rank":17,"trend":"flat"}}