{"entity":{"iso2":"BG","iso3":"BGR","name":"Bulgaria","slug":"bulgaria"},"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":0.0},{"date":"1991-01-01","value":2.3122},{"date":"1992-01-01","value":107.379},{"date":"1993-01-01","value":5.18002},{"date":"1994-01-01","value":14.9393},{"date":"1995-01-01","value":35.646},{"date":"1996-01-01","value":50.6891},{"date":"1997-01-01","value":91.5059},{"date":"1998-01-01","value":38.3471},{"date":"1999-01-01","value":518.075},{"date":"2000-01-01","value":438.774},{"date":"2001-01-01","value":832.58},{"date":"2002-01-01","value":433.644},{"date":"2003-01-01","value":141.968},{"date":"2004-01-01","value":1091.72},{"date":"2005-01-01","value":35.2673},{"date":"2006-01-01","value":15.3796},{"date":"2007-01-01","value":15.0305},{"date":"2008-01-01","value":60.1088},{"date":"2009-01-01","value":58.2861},{"date":"2010-01-01","value":8543.35},{"date":"2011-01-01","value":8922.13},{"date":"2012-01-01","value":8717.53},{"date":"2013-01-01","value":8439.4},{"date":"2014-01-01","value":8707.53},{"date":"2015-01-01","value":7771.61},{"date":"2016-01-01","value":7936.75},{"date":"2017-01-01","value":7644.6},{"date":"2018-01-01","value":8196.47},{"date":"2019-01-01","value":7835.47},{"date":"2020-01-01","value":7711.98},{"date":"2021-01-01","value":8009.43},{"date":"2022-01-01","value":18887.6},{"date":"2023-01-01","value":18395.2}],"summary":{"latest_period":"2023-01-01","latest_value":18395.2,"max":18887.6,"mean":4109.0,"min":0.0,"of":188,"rank":50,"trend":"volatile"}}