{"entity":{"iso2":"CH","iso3":"CHE","name":"Switzerland","slug":"switzerland"},"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":"2003-01-01","value":4.93681},{"date":"2006-01-01","value":4.5595},{"date":"2009-01-01","value":4.47588},{"date":"2012-01-01","value":3.56554},{"date":"2015-01-01","value":4.92092},{"date":"2018-01-01","value":4.77892}],"summary":{"latest_period":"2018-01-01","latest_value":4.77892,"max":4.93681,"mean":4.5396,"min":3.56554,"of":53,"rank":42,"trend":"flat"}}