{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"total-reserves-minus-gold-current-us-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Total reserves minus gold (current US$), per square kilometre","unit":"current US$ per square kilometre"},"observations":[{"date":"1977-01-01","value":12501.4},{"date":"1978-01-01","value":14050.0},{"date":"1979-01-01","value":17444.4},{"date":"1980-01-01","value":19101.4},{"date":"1981-01-01","value":19418.1},{"date":"1982-01-01","value":21612.5},{"date":"1983-01-01","value":29101.4},{"date":"1984-01-01","value":36134.7},{"date":"1985-01-01","value":38208.1},{"date":"1986-01-01","value":31224.9},{"date":"1987-01-01","value":40112.1},{"date":"1988-01-01","value":42374.3},{"date":"1989-01-01","value":34515.6},{"date":"1990-01-01","value":43525.8},{"date":"1991-01-01","value":44836.1},{"date":"1992-01-01","value":44123.6},{"date":"1993-01-01","value":51473.5},{"date":"1994-01-01","value":49359.2},{"date":"1995-01-01","value":39875.0},{"date":"1996-01-01","value":42522.1},{"date":"1997-01-01","value":38184.9},{"date":"1998-01-01","value":39800.6},{"date":"1999-01-01","value":34014.3},{"date":"2000-01-01","value":34225.4},{"date":"2001-01-01","value":32999.7},{"date":"2002-01-01","value":34889.6},{"date":"2003-01-01","value":55237.5},{"date":"2004-01-01","value":76753.3},{"date":"2005-01-01","value":65089.2},{"date":"2006-01-01","value":66628.5},{"date":"2007-01-01","value":90609.3},{"date":"2008-01-01","value":96880.4},{"date":"2009-01-01","value":132920.0},{"date":"2010-01-01","value":145176.0},{"date":"2011-01-01","value":199021.0},{"date":"2012-01-01","value":211672.0},{"date":"2013-01-01","value":216001.0},{"date":"2014-01-01","value":220535.0},{"date":"2015-01-01","value":216817.0},{"date":"2016-01-01","value":245135.0},{"date":"2017-01-01","value":275725.0},{"date":"2018-01-01","value":298818.0},{"date":"2019-01-01","value":303400.0},{"date":"2020-01-01","value":415206.0},{"date":"2021-01-01","value":502517.0},{"date":"2022-01-01","value":521617.0},{"date":"2023-01-01","value":550736.0}],"summary":{"latest_period":"2023-01-01","latest_value":550736.0,"max":550736.0,"mean":123237.0,"min":12501.4,"of":180,"rank":36,"trend":"volatile"}}