{"entity":{"iso2":"CZ","iso3":"CZE","name":"Czechia","slug":"czechia"},"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":"2003-01-01","value":20.7956},{"date":"2006-01-01","value":19.1009},{"date":"2009-01-01","value":17.4257},{"date":"2012-01-01","value":19.6649},{"date":"2015-01-01","value":18.4378},{"date":"2018-01-01","value":19.6469}],"summary":{"latest_period":"2018-01-01","latest_value":19.6469,"max":20.7956,"mean":19.1786,"min":17.4257,"of":53,"rank":23,"trend":"flat"}}