{"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-2","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.2","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 2","unit":null},"observations":[{"date":"2006-01-01","value":20.44},{"date":"2009-01-01","value":20.777},{"date":"2012-01-01","value":22.1903},{"date":"2015-01-01","value":25.976},{"date":"2018-01-01","value":19.6187}],"summary":{"latest_period":"2018-01-01","latest_value":19.6187,"max":25.976,"mean":21.8004,"min":19.6187,"of":53,"rank":43,"trend":"rising"}}