{"entity":{"iso2":"SK","iso3":"SVK","name":"Slovakia","slug":"slovak-republic"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-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","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 1","unit":null},"observations":[{"date":"2003-01-01","value":13.2033},{"date":"2006-01-01","value":12.7719},{"date":"2009-01-01","value":14.0241},{"date":"2012-01-01","value":16.3873},{"date":"2015-01-01","value":16.0828},{"date":"2018-01-01","value":14.3562}],"summary":{"latest_period":"2018-01-01","latest_value":14.3562,"max":16.3873,"mean":14.4709,"min":12.7719,"of":53,"rank":28,"trend":"rising"}}