{"entity":{"iso2":"RO","iso3":"ROU","name":"Romania","slug":"romania"},"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":"2006-01-01","value":0.141732},{"date":"2009-01-01","value":0.0759063},{"date":"2012-01-01","value":0.591656},{"date":"2015-01-01","value":0.440625},{"date":"2018-01-01","value":0.418754}],"summary":{"latest_period":"2018-01-01","latest_value":0.418754,"max":0.591656,"mean":0.333735,"min":0.0759063,"of":53,"rank":42,"trend":"volatile"}}