{"entity":{"iso2":"LV","iso3":"LVA","name":"Latvia","slug":"latvia"},"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":"2003-01-01","value":16.1023},{"date":"2006-01-01","value":14.2681},{"date":"2009-01-01","value":16.7397},{"date":"2012-01-01","value":15.1201},{"date":"2015-01-01","value":15.76},{"date":"2018-01-01","value":12.9242}],"summary":{"latest_period":"2018-01-01","latest_value":12.9242,"max":16.7397,"mean":15.1524,"min":12.9242,"of":53,"rank":36,"trend":"falling"}}