{"entity":{"iso2":"TZ","iso3":"TZA","name":"Tanzania","slug":"tanzania"},"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":"1970-01-01","value":18.3508},{"date":"1971-01-01","value":18.907},{"date":"1972-01-01","value":18.2174},{"date":"1973-01-01","value":20.0273},{"date":"1974-01-01","value":20.0222},{"date":"1975-01-01","value":19.2763},{"date":"1976-01-01","value":18.5814},{"date":"1977-01-01","value":19.1018},{"date":"1978-01-01","value":18.6012},{"date":"1979-01-01","value":19.2838},{"date":"1980-01-01","value":20.5147},{"date":"1981-01-01","value":19.5293},{"date":"1982-01-01","value":19.3647},{"date":"1983-01-01","value":18.1053},{"date":"1984-01-01","value":16.9881},{"date":"1985-01-01","value":18.2106},{"date":"1986-01-01","value":17.6873},{"date":"1987-01-01","value":17.4224},{"date":"1988-01-01","value":17.294},{"date":"1989-01-01","value":18.6224},{"date":"1991-01-01","value":18.619},{"date":"1992-01-01","value":18.6958},{"date":"1993-01-01","value":18.4836},{"date":"1994-01-01","value":17.0841},{"date":"1995-01-01","value":17.3328},{"date":"1996-01-01","value":16.7317},{"date":"1997-01-01","value":18.9569},{"date":"2014-01-01","value":23.5159},{"date":"2016-01-01","value":15.9394},{"date":"2017-01-01","value":17.1135},{"date":"2018-01-01","value":20.8625}],"summary":{"latest_period":"2018-01-01","latest_value":20.8625,"max":23.5159,"mean":18.6272,"min":15.9394,"of":190,"rank":45,"trend":"flat"}}