{"entity":{"iso2":"TO","iso3":"TON","name":"Tonga","slug":"tonga"},"indicator":{"licence":"UN SDG Global Database (open, attribution requested)","slug":"lakes-and-rivers-permanent-water-area-square-kilometres","source":"United Nations Statistics Division, SDG Global Database","source_url":"https://unstats.un.org/sdgs/dataportal/database?series=EN_LKRV_PWAN","title":"Lakes and rivers permanent water area (square kilometres)","unit":"kmsq"},"observations":[{"date":"2000-01-01","value":0.60703},{"date":"2001-01-01","value":1.24316},{"date":"2002-01-01","value":1.85183},{"date":"2003-01-01","value":3.13262},{"date":"2004-01-01","value":3.41205},{"date":"2005-01-01","value":4.15672},{"date":"2006-01-01","value":4.03313},{"date":"2007-01-01","value":4.88967},{"date":"2008-01-01","value":4.69858},{"date":"2009-01-01","value":5.7422},{"date":"2010-01-01","value":5.76516},{"date":"2011-01-01","value":5.90207},{"date":"2012-01-01","value":5.00478},{"date":"2013-01-01","value":4.35642},{"date":"2014-01-01","value":4.9571},{"date":"2015-01-01","value":5.58305},{"date":"2016-01-01","value":7.68582},{"date":"2017-01-01","value":9.88761},{"date":"2018-01-01","value":12.0888},{"date":"2019-01-01","value":12.9429},{"date":"2020-01-01","value":13.7637},{"date":"2021-01-01","value":15.2056},{"date":"2022-01-01","value":16.6399}],"summary":{"latest_period":"2022-01-01","latest_value":16.6399,"max":16.6399,"mean":6.67608,"min":0.60703,"of":235,"rank":162,"trend":"volatile"}}