{"entity":{"iso2":"RS","iso3":"SRB","name":"Serbia","slug":"serbia"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-male-15-year-olds-by-mathematics-proficiency-level-percent-level-1","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.1.MA","title":"PISA: Male 15-year-olds by mathematics proficiency level (%). Level 1","unit":null},"observations":[{"date":"2003-01-01","value":24.1207},{"date":"2006-01-01","value":23.7794},{"date":"2009-01-01","value":22.4178},{"date":"2012-01-01","value":22.8576},{"date":"2018-01-01","value":21.6441}],"summary":{"latest_period":"2018-01-01","latest_value":21.6441,"max":24.1207,"mean":22.9639,"min":21.6441,"of":53,"rank":16,"trend":"falling"}}