{"entity":{"iso2":"NG","iso3":"NGA","name":"Nigeria","slug":"nigeria"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"oil-reserves-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Oil reserves, per square kilometre","unit":"cubic meters per square kilometre"},"observations":[{"date":"1980-01-01","value":3037.41},{"date":"1981-01-01","value":2915.21},{"date":"1982-01-01","value":2880.3},{"date":"1983-01-01","value":2923.94},{"date":"1984-01-01","value":2889.03},{"date":"1985-01-01","value":2906.49},{"date":"1986-01-01","value":2897.76},{"date":"1987-01-01","value":2793.02},{"date":"1988-01-01","value":2789.53},{"date":"1989-01-01","value":2793.02},{"date":"1990-01-01","value":2793.02},{"date":"1991-01-01","value":2985.03},{"date":"1992-01-01","value":3124.65},{"date":"1993-01-01","value":3124.65},{"date":"1994-01-01","value":3124.65},{"date":"1995-01-01","value":3124.65},{"date":"1996-01-01","value":3635.81},{"date":"1997-01-01","value":2709.38},{"date":"1998-01-01","value":2930.22},{"date":"1999-01-01","value":3927.68},{"date":"2000-01-01","value":3927.68},{"date":"2001-01-01","value":3927.68},{"date":"2002-01-01","value":4189.53},{"date":"2003-01-01","value":4189.53},{"date":"2004-01-01","value":4364.09},{"date":"2005-01-01","value":6154.24},{"date":"2006-01-01","value":6262.65},{"date":"2007-01-01","value":6322.69},{"date":"2008-01-01","value":6322.69},{"date":"2009-01-01","value":6322.69},{"date":"2010-01-01","value":6493.77},{"date":"2011-01-01","value":6493.77},{"date":"2012-01-01","value":6493.77},{"date":"2013-01-01","value":6493.77},{"date":"2014-01-01","value":6483.29},{"date":"2015-01-01","value":6471.07},{"date":"2016-01-01","value":6471.07},{"date":"2017-01-01","value":6469.68},{"date":"2018-01-01","value":6537.93},{"date":"2019-01-01","value":6316.06},{"date":"2020-01-01","value":6453.97},{"date":"2021-01-01","value":6439.65}],"summary":{"latest_period":"2021-01-01","latest_value":6439.65,"max":6537.93,"mean":4521.59,"min":2709.38,"of":201,"rank":12,"trend":"rising"}}