{"entity":{"iso2":"BE","iso3":"BEL","name":"Belgium","slug":"belgium"},"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":9.33207},{"date":"2006-01-01","value":10.2171},{"date":"2009-01-01","value":11.3384},{"date":"2012-01-01","value":12.0044},{"date":"2015-01-01","value":12.8533},{"date":"2018-01-01","value":12.7988}],"summary":{"latest_period":"2018-01-01","latest_value":12.7988,"max":12.8533,"mean":11.424,"min":9.33207,"of":53,"rank":39,"trend":"rising"}}