{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"25-sdr-holdings-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"25_SDR holdings, per square kilometre","unit":"units per square kilometre"},"observations":[{"date":"1990-01-01","value":234.872},{"date":"1991-01-01","value":355.276},{"date":"1992-01-01","value":1447.94},{"date":"1993-01-01","value":776.513},{"date":"1994-01-01","value":882.874},{"date":"1995-01-01","value":1093.39},{"date":"1996-01-01","value":105.765},{"date":"1997-01-01","value":150.471},{"date":"1998-01-01","value":219.603},{"date":"1999-01-01","value":0.0},{"date":"2000-01-01","value":88.8244},{"date":"2001-01-01","value":197.719},{"date":"2002-01-01","value":280.015},{"date":"2003-01-01","value":375.361},{"date":"2004-01-01","value":456.836},{"date":"2005-01-01","value":529.422},{"date":"2006-01-01","value":591.892},{"date":"2007-01-01","value":751.513},{"date":"2008-01-01","value":1008.78},{"date":"2009-01-01","value":1007.97},{"date":"2010-01-01","value":14914.4},{"date":"2011-01-01","value":15587.8},{"date":"2012-01-01","value":15245.3},{"date":"2013-01-01","value":14758.1},{"date":"2014-01-01","value":15218.6},{"date":"2015-01-01","value":13585.6},{"date":"2016-01-01","value":10500.7},{"date":"2017-01-01","value":10116.5},{"date":"2018-01-01","value":10861.6},{"date":"2019-01-01","value":10407.4},{"date":"2020-01-01","value":10276.6},{"date":"2021-01-01","value":10676.8},{"date":"2022-01-01","value":35867.1},{"date":"2023-01-01","value":34958.5}],"summary":{"latest_period":"2023-01-01","latest_value":34958.5,"max":35867.1,"mean":6868.53,"min":0.0,"of":188,"rank":39,"trend":"volatile"}}