{"entity":{"iso2":"LK","iso3":"LKA","name":"Sri Lanka","slug":"sri-lanka"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pupil-teacher-ratio-upper-secondary","source":"Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)","source_url":"https://data.worldbank.org/indicator/SE.SEC.ENRL.UP.TC.ZS","title":"Pupil-teacher ratio, upper secondary","unit":null},"observations":[{"date":"2011-01-01","value":17.8765},{"date":"2012-01-01","value":18.1649},{"date":"2016-01-01","value":17.887},{"date":"2017-01-01","value":17.8599},{"date":"2018-01-01","value":18.4766}],"summary":{"latest_period":"2018-01-01","latest_value":18.4766,"max":18.4766,"mean":18.053,"min":17.8599,"of":128,"rank":31,"trend":"flat"}}