{"entity":{"iso2":"RS","iso3":"SRB","name":"Serbia","slug":"serbia"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-15-year-olds-by-mathematics-proficiency-level-percent-level-2","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.2","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 2","unit":null},"observations":[{"date":"2003-01-01","value":28.6469},{"date":"2006-01-01","value":26.8357},{"date":"2009-01-01","value":26.4569},{"date":"2012-01-01","value":26.5304},{"date":"2018-01-01","value":24.082}],"summary":{"latest_period":"2018-01-01","latest_value":24.082,"max":28.6469,"mean":26.5104,"min":24.082,"of":53,"rank":16,"trend":"falling"}}