{"entity":{"iso2":"UK","iso3":"GBR","name":"United Kingdom","slug":"united-kingdom"},"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":4772.99},{"date":"1991-01-01","value":5766.79},{"date":"1992-01-01","value":5410.49},{"date":"1993-01-01","value":2061.14},{"date":"1994-01-01","value":1518.86},{"date":"1995-01-01","value":1482.64},{"date":"1996-01-01","value":1527.09},{"date":"1997-01-01","value":1831.17},{"date":"1998-01-01","value":1816.14},{"date":"1999-01-01","value":2109.18},{"date":"2000-01-01","value":1922.23},{"date":"2001-01-01","value":1448.17},{"date":"2002-01-01","value":1190.83},{"date":"2003-01-01","value":1340.86},{"date":"2004-01-01","value":1411.15},{"date":"2005-01-01","value":1375.68},{"date":"2006-01-01","value":1303.33},{"date":"2007-01-01","value":1527.94},{"date":"2008-01-01","value":1448.27},{"date":"2009-01-01","value":1782.83},{"date":"2010-01-01","value":57419.1},{"date":"2011-01-01","value":60973.4},{"date":"2012-01-01","value":61214.8},{"date":"2013-01-01","value":59546.6},{"date":"2014-01-01","value":61645.9},{"date":"2015-01-01","value":54766.7},{"date":"2016-01-01","value":41438.0},{"date":"2017-01-01","value":42992.6},{"date":"2018-01-01","value":50008.3},{"date":"2019-01-01","value":55957.9},{"date":"2020-01-01","value":58498.3},{"date":"2021-01-01","value":57899.4},{"date":"2022-01-01","value":168636.0},{"date":"2023-01-01","value":170478.0}],"summary":{"latest_period":"2023-01-01","latest_value":170478.0,"max":170478.0,"mean":30721.3,"min":1190.83,"of":188,"rank":14,"trend":"volatile"}}