{"entity":{"iso2":"ES","iso3":"ESP","name":"Spain","slug":"spain"},"indicator":{"licence":"CC BY 4.0 (Our World in Data)","slug":"natural-gas-proved-reserves","source":"U.S. Energy Information Administration (2022) \u2013 with major processing by Our World in Data","source_url":"https://ourworldindata.org/grapher/natural-gas-proved-reserves","title":"Gas reserves","unit":"cubic meters"},"observations":[{"date":"1980-01-01","value":56633700000.0},{"date":"1981-01-01","value":99109000000.0},{"date":"1982-01-01","value":707921000.0},{"date":"1983-01-01","value":54934700000.0},{"date":"1984-01-01","value":63005000000.0},{"date":"1985-01-01","value":19821800000.0},{"date":"1986-01-01","value":19821800000.0},{"date":"1987-01-01","value":22653500000.0},{"date":"1988-01-01","value":16990100000.0},{"date":"1989-01-01","value":23786200000.0},{"date":"1990-01-01","value":22936600000.0},{"date":"1991-01-01","value":22087100000.0},{"date":"1992-01-01","value":20954500000.0},{"date":"1993-01-01","value":19821800000.0},{"date":"1994-01-01","value":19821800000.0},{"date":"1995-01-01","value":18972300000.0},{"date":"1996-01-01","value":16990100000.0},{"date":"1997-01-01","value":16990100000.0},{"date":"1998-01-01","value":16990100000.0},{"date":"1999-01-01","value":1699010000.0},{"date":"2000-01-01","value":1699010000.0},{"date":"2001-01-01","value":509703000.0},{"date":"2002-01-01","value":509703000.0},{"date":"2003-01-01","value":2661780000.0},{"date":"2004-01-01","value":2661780000.0},{"date":"2005-01-01","value":2548520000.0},{"date":"2006-01-01","value":2548520000.0},{"date":"2007-01-01","value":2548520000.0},{"date":"2008-01-01","value":2548520000.0},{"date":"2009-01-01","value":2548520000.0},{"date":"2010-01-01","value":2548520000.0},{"date":"2011-01-01","value":2548520000.0},{"date":"2012-01-01","value":2548520000.0},{"date":"2013-01-01","value":2548520000.0},{"date":"2014-01-01","value":2548520000.0},{"date":"2015-01-01","value":2548520000.0},{"date":"2016-01-01","value":2548520000.0},{"date":"2017-01-01","value":2548520000.0},{"date":"2018-01-01","value":2548520000.0},{"date":"2019-01-01","value":2548520000.0},{"date":"2020-01-01","value":2548520000.0},{"date":"2021-01-01","value":2548520000.0}],"summary":{"latest_period":"2021-01-01","latest_value":2548520000.0,"max":99109000000.0,"mean":14430800000.0,"min":509703000.0,"of":214,"rank":94,"trend":"volatile"}}