{"entity":{"iso2":"CL","iso3":"CHL","name":"Chile","slug":"chile"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-15-year-olds-by-mathematics-proficiency-level-percent-below-level-1","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.0","title":"PISA: 15-year-olds by mathematics proficiency level (%). Below Level 1","unit":null},"observations":[{"date":"2006-01-01","value":28.1993},{"date":"2009-01-01","value":21.6599},{"date":"2012-01-01","value":21.9969},{"date":"2015-01-01","value":23.046},{"date":"2018-01-01","value":24.6773}],"summary":{"latest_period":"2018-01-01","latest_value":24.6773,"max":28.1993,"mean":23.9159,"min":21.6599,"of":53,"rank":10,"trend":"falling"}}