{"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-level-6","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.6","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 6","unit":null},"observations":[{"date":"2003-01-01","value":7.02819},{"date":"2006-01-01","value":6.75055},{"date":"2009-01-01","value":7.84826},{"date":"2012-01-01","value":6.75622},{"date":"2015-01-01","value":5.29496},{"date":"2018-01-01","value":4.88045}],"summary":{"latest_period":"2018-01-01","latest_value":4.88045,"max":7.84826,"mean":6.42644,"min":4.88045,"of":53,"rank":4,"trend":"falling"}}