{"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-tertiary","source":"Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)","source_url":"https://data.worldbank.org/indicator/SE.TER.ENRL.TC.ZS","title":"Pupil-teacher ratio, tertiary","unit":null},"observations":[{"date":"1970-01-01","value":8.2885},{"date":"1971-01-01","value":8.07299},{"date":"1973-01-01","value":7.40651},{"date":"1974-01-01","value":7.83226},{"date":"1975-01-01","value":7.713},{"date":"1979-01-01","value":9.07866},{"date":"1981-01-01","value":9.51139},{"date":"1982-01-01","value":13.9204},{"date":"1983-01-01","value":18.7717},{"date":"1985-01-01","value":17.6981},{"date":"1986-01-01","value":16.54},{"date":"1994-01-01","value":22.986},{"date":"2017-01-01","value":30.9696},{"date":"2018-01-01","value":29.761}],"summary":{"latest_period":"2018-01-01","latest_value":29.761,"max":30.9696,"mean":14.8964,"min":7.40651,"of":175,"rank":16,"trend":"volatile"}}