{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"secondary-education-general-pupils-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Secondary education, general pupils, per square kilometre","unit":"units per square kilometre"},"observations":[{"date":"1970-01-01","value":13.9681},{"date":"1971-01-01","value":14.1167},{"date":"1972-01-01","value":14.0111},{"date":"1973-01-01","value":14.0736},{"date":"1974-01-01","value":14.4722},{"date":"1975-01-01","value":14.8403},{"date":"1976-01-01","value":16.2681},{"date":"1977-01-01","value":16.8847},{"date":"1978-01-01","value":17.1778},{"date":"1979-01-01","value":17.4486},{"date":"1981-01-01","value":21.8889},{"date":"1982-01-01","value":22.7056},{"date":"1983-01-01","value":22.5944},{"date":"1984-01-01","value":22.8375},{"date":"1985-01-01","value":20.3347},{"date":"1986-01-01","value":18.2222},{"date":"1987-01-01","value":19.6347},{"date":"1990-01-01","value":19.2736},{"date":"1991-01-01","value":19.2208},{"date":"1992-01-01","value":18.4972},{"date":"1993-01-01","value":21.6292},{"date":"1998-01-01","value":18.175},{"date":"1999-01-01","value":19.1861},{"date":"2001-01-01","value":18.4681},{"date":"2003-01-01","value":20.3153},{"date":"2004-01-01","value":17.9319},{"date":"2012-01-01","value":20.1431},{"date":"2013-01-01","value":20.0458},{"date":"2014-01-01","value":20.1167},{"date":"2015-01-01","value":21.3903}],"summary":{"latest_period":"2015-01-01","latest_value":21.3903,"max":22.8375,"mean":18.5291,"min":13.9681,"of":203,"rank":38,"trend":"rising"}}