{"entity":{"iso2":"PT","iso3":"PRT","name":"Portugal","slug":"portugal"},"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":18.7632},{"date":"2006-01-01","value":18.7427},{"date":"2009-01-01","value":15.332},{"date":"2012-01-01","value":16.0133},{"date":"2015-01-01","value":15.092},{"date":"2018-01-01","value":13.9946}],"summary":{"latest_period":"2018-01-01","latest_value":13.9946,"max":18.7632,"mean":16.323,"min":13.9946,"of":53,"rank":30,"trend":"falling"}}