{"entity":{"iso2":"AO","iso3":"AGO","name":"Angola","slug":"angola"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"oil-proved-reserves","source":"U.S. Energy Information Administration (2022) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/oil-proved-reserves","title":"Oil reserves","unit":"cubic meters"},"observations":[{"date":"1980-01-01","value":190785000.0},{"date":"1981-01-01","value":190785000.0},{"date":"1982-01-01","value":230532000.0},{"date":"1983-01-01","value":259944000.0},{"date":"1984-01-01","value":270278000.0},{"date":"1985-01-01","value":286177000.0},{"date":"1986-01-01","value":317975000.0},{"date":"1987-01-01","value":182740000.0},{"date":"1988-01-01","value":182676000.0},{"date":"1989-01-01","value":321790000.0},{"date":"1990-01-01","value":321790000.0},{"date":"1991-01-01","value":329740000.0},{"date":"1992-01-01","value":289066000.0},{"date":"1993-01-01","value":238481000.0},{"date":"1994-01-01","value":238481000.0},{"date":"1995-01-01","value":860473000.0},{"date":"1996-01-01","value":860473000.0},{"date":"1997-01-01","value":860473000.0},{"date":"1998-01-01","value":860439000.0},{"date":"1999-01-01","value":860439000.0},{"date":"2000-01-01","value":860439000.0},{"date":"2001-01-01","value":860439000.0},{"date":"2002-01-01","value":860439000.0},{"date":"2003-01-01","value":860439000.0},{"date":"2004-01-01","value":860439000.0},{"date":"2005-01-01","value":860439000.0},{"date":"2006-01-01","value":860439000.0},{"date":"2007-01-01","value":1271900000.0},{"date":"2008-01-01","value":1436450000.0},{"date":"2009-01-01","value":1437250000.0},{"date":"2010-01-01","value":1510380000.0},{"date":"2011-01-01","value":1510380000.0},{"date":"2012-01-01","value":1510380000.0},{"date":"2013-01-01","value":1664600000.0},{"date":"2014-01-01","value":1440420000.0},{"date":"2015-01-01","value":1432630000.0},{"date":"2016-01-01","value":1339150000.0},{"date":"2017-01-01","value":1315300000.0},{"date":"2018-01-01","value":1514040000.0},{"date":"2019-01-01","value":1332950000.0},{"date":"2020-01-01","value":1297340000.0},{"date":"2021-01-01","value":1237400000.0}],"summary":{"latest_period":"2021-01-01","latest_value":1237400000.0,"max":1664600000.0,"mean":843504000.0,"min":182676000.0,"of":215,"rank":19,"trend":"volatile"}}