{"entity":{"iso2":"US","iso3":"USA","name":"United States","slug":"united-states"},"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":1101.87},{"date":"1991-01-01","value":1132.05},{"date":"1992-01-01","value":1195.26},{"date":"1993-01-01","value":959.36},{"date":"1994-01-01","value":1024.5},{"date":"1995-01-01","value":1272.13},{"date":"1996-01-01","value":1206.37},{"date":"1997-01-01","value":1078.66},{"date":"1998-01-01","value":1103.63},{"date":"1999-01-01","value":1057.09},{"date":"2000-01-01","value":1128.07},{"date":"2001-01-01","value":1132.81},{"date":"2002-01-01","value":1179.75},{"date":"2003-01-01","value":1243.45},{"date":"2004-01-01","value":1385.18},{"date":"2005-01-01","value":1262.26},{"date":"2006-01-01","value":910.679},{"date":"2007-01-01","value":976.597},{"date":"2008-01-01","value":1081.4},{"date":"2009-01-01","value":992.811},{"date":"2010-01-01","value":6121.52},{"date":"2011-01-01","value":6181.25},{"date":"2012-01-01","value":6062.94},{"date":"2013-01-01","value":5870.96},{"date":"2014-01-01","value":6055.66},{"date":"2015-01-01","value":5406.85},{"date":"2016-01-01","value":5522.65},{"date":"2017-01-01","value":5394.8},{"date":"2018-01-01","value":5791.69},{"date":"2019-01-01","value":5549.79},{"date":"2020-01-01","value":5480.86},{"date":"2021-01-01","value":5695.82},{"date":"2022-01-01","value":17833.6},{"date":"2023-01-01","value":17845.6}],"summary":{"latest_period":"2023-01-01","latest_value":17845.6,"max":17845.6,"mean":3742.29,"min":910.679,"of":188,"rank":51,"trend":"volatile"}}