{"entity":{"iso2":"NL","iso3":"NLD","name":"Netherlands","slug":"netherlands"},"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":8.3509},{"date":"2006-01-01","value":9.07933},{"date":"2009-01-01","value":10.6059},{"date":"2012-01-01","value":10.9653},{"date":"2015-01-01","value":11.5038},{"date":"2018-01-01","value":11.2323}],"summary":{"latest_period":"2018-01-01","latest_value":11.2323,"max":11.5038,"mean":10.2896,"min":8.3509,"of":53,"rank":45,"trend":"rising"}}