{"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-5","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.5","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 5","unit":null},"observations":[{"date":"2003-01-01","value":2.07051},{"date":"2006-01-01","value":2.41053},{"date":"2009-01-01","value":2.91161},{"date":"2012-01-01","value":3.51568},{"date":"2018-01-01","value":4.21097}],"summary":{"latest_period":"2018-01-01","latest_value":4.21097,"max":4.21097,"mean":3.02386,"min":2.07051,"of":53,"rank":37,"trend":"rising"}}