{"entity":{"iso2":"KR","iso3":"KOR","name":"South Korea","slug":"korea-rep"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-15-year-olds-by-mathematics-proficiency-level-percent-level-5","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.5","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 5","unit":null},"observations":[{"date":"2003-01-01","value":16.6925},{"date":"2006-01-01","value":17.9908},{"date":"2009-01-01","value":17.7188},{"date":"2012-01-01","value":18.7735},{"date":"2015-01-01","value":14.3153},{"date":"2018-01-01","value":14.4393}],"summary":{"latest_period":"2018-01-01","latest_value":14.4393,"max":18.7735,"mean":16.655,"min":14.3153,"of":53,"rank":3,"trend":"falling"}}