{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pisa-female-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.FE","title":"PISA: Female 15-year-olds by mathematics proficiency level (%). Level 3","unit":null},"observations":[{"date":"2006-01-01","value":15.7241},{"date":"2009-01-01","value":18.1296},{"date":"2012-01-01","value":18.6707},{"date":"2015-01-01","value":20.1945},{"date":"2018-01-01","value":19.1226}],"summary":{"latest_period":"2018-01-01","latest_value":19.1226,"max":20.1945,"mean":18.3683,"min":15.7241,"of":53,"rank":40,"trend":"rising"}}