{"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-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":"2006-01-01","value":28.4021},{"date":"2009-01-01","value":28.7718},{"date":"2012-01-01","value":29.1451},{"date":"2015-01-01","value":26.886},{"date":"2018-01-01","value":26.2701}],"summary":{"latest_period":"2018-01-01","latest_value":26.2701,"max":29.1451,"mean":27.895,"min":26.2701,"of":53,"rank":10,"trend":"falling"}}