{"entity":{"iso2":"IS","iso3":"ISL","name":"Iceland","slug":"iceland"},"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":"2003-01-01","value":23.1946},{"date":"2006-01-01","value":21.7018},{"date":"2009-01-01","value":20.901},{"date":"2012-01-01","value":18.0661},{"date":"2015-01-01","value":17.5195},{"date":"2018-01-01","value":20.1868}],"summary":{"latest_period":"2018-01-01","latest_value":20.1868,"max":23.1946,"mean":20.2616,"min":17.5195,"of":53,"rank":21,"trend":"falling"}}