{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"enrolment-in-pre-primary-education-both-sexes-number-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Enrolment in pre-primary education, both sexes (number), per square kilometre","unit":"number per square kilometre"},"observations":[{"date":"1975-01-01","value":0.788889},{"date":"1998-01-01","value":1.56111},{"date":"1999-01-01","value":2.16528},{"date":"2004-01-01","value":1.56667},{"date":"2012-01-01","value":2.66806},{"date":"2014-01-01","value":2.86944},{"date":"2015-01-01","value":3.13056}],"summary":{"latest_period":"2015-01-01","latest_value":3.13056,"max":3.13056,"mean":2.10714,"min":0.788889,"of":198,"rank":79,"trend":"rising"}}