{"entity":{"iso2":"ME","iso3":"MNE","name":"Montenegro","slug":"montenegro"},"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":"2006-01-01","value":0.0509078},{"date":"2009-01-01","value":0.0524926},{"date":"2012-01-01","value":0.112398},{"date":"2015-01-01","value":0.171507},{"date":"2018-01-01","value":0.150986}],"summary":{"latest_period":"2018-01-01","latest_value":0.150986,"max":0.171507,"mean":0.107658,"min":0.0509078,"of":53,"rank":44,"trend":"rising"}}