{"entity":{"iso2":"RU","iso3":"RUS","name":"Russia","slug":"russian-federation"},"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":18.8265},{"date":"2006-01-01","value":17.5773},{"date":"2009-01-01","value":19.0251},{"date":"2012-01-01","value":16.4531},{"date":"2015-01-01","value":13.8641},{"date":"2018-01-01","value":14.8892}],"summary":{"latest_period":"2018-01-01","latest_value":14.8892,"max":19.0251,"mean":16.7725,"min":13.8641,"of":53,"rank":25,"trend":"falling"}}