{"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-6","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.6","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 6","unit":null},"observations":[{"date":"2003-01-01","value":0.621362},{"date":"2006-01-01","value":0.864252},{"date":"2009-01-01","value":0.819362},{"date":"2012-01-01","value":0.645885},{"date":"2015-01-01","value":0.476958},{"date":"2018-01-01","value":0.538427}],"summary":{"latest_period":"2018-01-01","latest_value":0.538427,"max":0.864252,"mean":0.661041,"min":0.476958,"of":53,"rank":41,"trend":"falling"}}