{"entity":{"iso2":"SL","iso3":"SLE","name":"Sierra Leone","slug":"sierra-leone"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pupil-teacher-ratio-secondary","source":"Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)","source_url":"https://data.worldbank.org/indicator/SE.SEC.ENRL.TC.ZS","title":"Pupil-teacher ratio, secondary","unit":null},"observations":[{"date":"1971-01-01","value":20.392},{"date":"1972-01-01","value":20.0695},{"date":"1973-01-01","value":21.4292},{"date":"1975-01-01","value":29.3806},{"date":"1976-01-01","value":19.4445},{"date":"1977-01-01","value":20.3292},{"date":"1978-01-01","value":19.7828},{"date":"1984-01-01","value":20.5102},{"date":"1985-01-01","value":20.5107},{"date":"1986-01-01","value":31.5093},{"date":"1988-01-01","value":19.3792},{"date":"1989-01-01","value":19.4982},{"date":"1990-01-01","value":18.6619},{"date":"1991-01-01","value":17.1677},{"date":"2001-01-01","value":26.6382},{"date":"2011-01-01","value":20.5148},{"date":"2012-01-01","value":21.686},{"date":"2013-01-01","value":20.6628},{"date":"2015-01-01","value":20.5413},{"date":"2016-01-01","value":22.0446}],"summary":{"latest_period":"2016-01-01","latest_value":22.0446,"max":31.5093,"mean":21.5076,"min":17.1677,"of":190,"rank":43,"trend":"flat"}}