{"entity":{"iso2":"ST","iso3":"STP","name":"Sao Tome and Principe","slug":"sao-tome-and-principe"},"indicator":{"licence":"CC BY 4.0 (World Bank Open Data)","slug":"pupil-teacher-ratio-preprimary","source":"Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)","source_url":"https://data.worldbank.org/indicator/SE.PRE.ENRL.TC.ZS","title":"Pupil-teacher ratio, preprimary","unit":null},"observations":[{"date":"1971-01-01","value":44.8},{"date":"1972-01-01","value":40.0},{"date":"1990-01-01","value":29.7069},{"date":"1999-01-01","value":28.1079},{"date":"2001-01-01","value":25.4655},{"date":"2002-01-01","value":25.4185},{"date":"2003-01-01","value":25.4419},{"date":"2009-01-01","value":22.5949},{"date":"2010-01-01","value":19.1182},{"date":"2013-01-01","value":17.75},{"date":"2014-01-01","value":15.0086},{"date":"2015-01-01","value":13.006}],"summary":{"latest_period":"2015-01-01","latest_value":13.006,"max":44.8,"mean":25.5349,"min":13.006,"of":182,"rank":124,"trend":"falling"}}