{"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-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":"2006-01-01","value":31.6482},{"date":"2009-01-01","value":29.6444},{"date":"2012-01-01","value":27.5016},{"date":"2015-01-01","value":25.0084},{"date":"2018-01-01","value":19.8906}],"summary":{"latest_period":"2018-01-01","latest_value":19.8906,"max":31.6482,"mean":26.7386,"min":19.8906,"of":53,"rank":14,"trend":"falling"}}