{"entity":{"iso2":"AR","iso3":"ARG","name":"Argentina","slug":"argentina"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-15-year-olds-by-mathematics-proficiency-level-percent-level-4","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.4","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 4","unit":null},"observations":[{"date":"2006-01-01","value":3.76652},{"date":"2009-01-01","value":3.92361},{"date":"2012-01-01","value":1.8027},{"date":"2015-01-01","value":4.18528},{"date":"2018-01-01","value":2.25656}],"summary":{"latest_period":"2018-01-01","latest_value":2.25656,"max":4.18528,"mean":3.18693,"min":1.8027,"of":53,"rank":52,"trend":"falling"}}