{"entity":{"iso2":"ES","iso3":"ESP","name":"Spain","slug":"spain"},"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":14.8814},{"date":"2006-01-01","value":16.1384},{"date":"2009-01-01","value":14.6093},{"date":"2012-01-01","value":15.839},{"date":"2015-01-01","value":15.0058},{"date":"2018-01-01","value":15.9948}],"summary":{"latest_period":"2018-01-01","latest_value":15.9948,"max":16.1384,"mean":15.4115,"min":14.6093,"of":53,"rank":24,"trend":"flat"}}