{"entity":{"iso2":"LU","iso3":"LUX","name":"Luxembourg","slug":"luxembourg"},"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":18.658},{"date":"2006-01-01","value":18.1908},{"date":"2009-01-01","value":18.9672},{"date":"2012-01-01","value":18.4942},{"date":"2015-01-01","value":18.0426},{"date":"2018-01-01","value":17.6698}],"summary":{"latest_period":"2018-01-01","latest_value":17.6698,"max":18.9672,"mean":18.3371,"min":17.6698,"of":53,"rank":30,"trend":"flat"}}