{"entity":{"iso2":"EE","iso3":"EST","name":"Estonia","slug":"estonia"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-15-year-olds-by-mathematics-proficiency-level-percent-level-4","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.4","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 4","unit":null},"observations":[{"date":"2006-01-01","value":23.272},{"date":"2009-01-01","value":22.6592},{"date":"2012-01-01","value":23.4309},{"date":"2015-01-01","value":24.2303},{"date":"2018-01-01","value":24.5537}],"summary":{"latest_period":"2018-01-01","latest_value":24.5537,"max":24.5537,"mean":23.6292,"min":22.6592,"of":53,"rank":4,"trend":"rising"}}