{"entity":{"iso2":"KR","iso3":"KOR","name":"Korea, Rep.","slug":"korea-rep"},"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":7.06325},{"date":"2006-01-01","value":6.53407},{"date":"2009-01-01","value":6.21031},{"date":"2012-01-01","value":6.41624},{"date":"2015-01-01","value":10.0226},{"date":"2018-01-01","value":9.60901}],"summary":{"latest_period":"2018-01-01","latest_value":9.60901,"max":10.0226,"mean":7.64258,"min":6.21031,"of":53,"rank":49,"trend":"rising"}}