{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"total-reserves-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Total Reserves, per square kilometre","unit":"units per square kilometre"},"observations":[{"date":"2000-01-01","value":0.0342254},{"date":"2001-01-01","value":0.0329997},{"date":"2002-01-01","value":0.0348896},{"date":"2003-01-01","value":0.0552375},{"date":"2004-01-01","value":0.0767533},{"date":"2005-01-01","value":0.0650892},{"date":"2006-01-01","value":0.0666285},{"date":"2007-01-01","value":0.0906093},{"date":"2008-01-01","value":0.0968804},{"date":"2009-01-01","value":0.13292},{"date":"2010-01-01","value":0.145176},{"date":"2011-01-01","value":0.199021},{"date":"2012-01-01","value":0.211672},{"date":"2013-01-01","value":0.216001},{"date":"2014-01-01","value":0.220535},{"date":"2015-01-01","value":0.216817},{"date":"2016-01-01","value":0.245135},{"date":"2017-01-01","value":0.275725},{"date":"2018-01-01","value":0.298818}],"summary":{"latest_period":"2018-01-01","latest_value":0.298818,"max":0.298818,"mean":0.142902,"min":0.0329997,"of":164,"rank":42,"trend":"volatile"}}