{"entity":{"iso2":"ME","iso3":"MNE","name":"Montenegro","slug":"montenegro"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-mean-performance-on-the-mathematics-scale","source":"OECD Programme for International Student Assessment (PISA)","source_url":"https://data.worldbank.org/indicator/LO.PISA.MAT","title":"PISA: Mean performance on the mathematics scale","unit":null},"observations":[{"date":"2006-01-01","value":399.308},{"date":"2009-01-01","value":402.515},{"date":"2012-01-01","value":409.627},{"date":"2015-01-01","value":417.934},{"date":"2018-01-01","value":429.612}],"summary":{"latest_period":"2018-01-01","latest_value":429.612,"max":429.612,"mean":411.799,"min":399.308,"of":56,"rank":44,"trend":"rising"}}