{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"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":"1975-01-01","value":22.72},{"date":"1998-01-01","value":9.60684},{"date":"1999-01-01","value":18.1279},{"date":"2012-01-01","value":11.3669},{"date":"2014-01-01","value":12.3713},{"date":"2015-01-01","value":10.5327}],"summary":{"latest_period":"2015-01-01","latest_value":10.5327,"max":22.72,"mean":14.1209,"min":9.60684,"of":182,"rank":153,"trend":"falling"}}