{"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-3","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT.3","title":"PISA: 15-year-olds by mathematics proficiency level (%). Level 3","unit":null},"observations":[{"date":"2006-01-01","value":11.8354},{"date":"2009-01-01","value":12.2124},{"date":"2012-01-01","value":13.1461},{"date":"2015-01-01","value":15.6645},{"date":"2018-01-01","value":17.8991}],"summary":{"latest_period":"2018-01-01","latest_value":17.8991,"max":17.8991,"mean":14.1515,"min":11.8354,"of":53,"rank":41,"trend":"rising"}}