{"entity":{"iso2":"UK","iso3":"GBR","name":"United Kingdom","slug":"united-kingdom"},"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":12.5381},{"date":"2006-01-01","value":13.8423},{"date":"2009-01-01","value":13.9511},{"date":"2012-01-01","value":13.9865},{"date":"2015-01-01","value":14.1284},{"date":"2018-01-01","value":12.818}],"summary":{"latest_period":"2018-01-01","latest_value":12.818,"max":14.1284,"mean":13.5441,"min":12.5381,"of":53,"rank":38,"trend":"flat"}}