{"entity":{"iso2":"PT","iso3":"PRT","name":"Portugal","slug":"portugal"},"indicator":{"licence":"Derived by Statizoid from the sources named on the page","slug":"air-transport-freight-million-ton-km-per-square-kilometre","source":"Statizoid (derived)","source_url":null,"title":"Air transport, freight (million ton-km), per square kilometre","unit":"million ton-km per square kilometre"},"observations":[{"date":"1970-01-01","value":0.000404372},{"date":"1971-01-01","value":0.000530055},{"date":"1972-01-01","value":0.000604372},{"date":"1973-01-01","value":0.000989071},{"date":"1974-01-01","value":0.00116284},{"date":"1975-01-01","value":0.000737705},{"date":"1976-01-01","value":0.000743169},{"date":"1977-01-01","value":0.000935519},{"date":"1978-01-01","value":0.00115519},{"date":"1979-01-01","value":0.0012765},{"date":"1980-01-01","value":0.00115628},{"date":"1981-01-01","value":0.00110164},{"date":"1982-01-01","value":0.00107104},{"date":"1983-01-01","value":0.00105683},{"date":"1984-01-01","value":0.0012765},{"date":"1985-01-01","value":0.0014623},{"date":"1986-01-01","value":0.00134536},{"date":"1987-01-01","value":0.00136175},{"date":"1988-01-01","value":0.00154536},{"date":"1989-01-01","value":0.00175191},{"date":"1990-01-01","value":0.00182514},{"date":"1991-01-01","value":0.00178251},{"date":"1992-01-01","value":0.00182404},{"date":"1993-01-01","value":0.00187213},{"date":"1994-01-01","value":0.00198142},{"date":"1995-01-01","value":0.00212022},{"date":"1996-01-01","value":0.00230492},{"date":"1997-01-01","value":0.00271585},{"date":"1998-01-01","value":0.00270492},{"date":"1999-01-01","value":0.00246011},{"date":"2000-01-01","value":0.00246421},{"date":"2001-01-01","value":0.00228882},{"date":"2002-01-01","value":0.00213057},{"date":"2003-01-01","value":0.0022478},{"date":"2004-01-01","value":0.00258592},{"date":"2005-01-01","value":0.00257182},{"date":"2006-01-01","value":0.00321508},{"date":"2007-01-01","value":0.00353446},{"date":"2008-01-01","value":0.00379876},{"date":"2009-01-01","value":0.00342322},{"date":"2010-01-01","value":0.00398179},{"date":"2011-01-01","value":0.00388524},{"date":"2012-01-01","value":0.00350283},{"date":"2013-01-01","value":0.0034873},{"date":"2014-01-01","value":0.00380623},{"date":"2015-01-01","value":0.00375484},{"date":"2016-01-01","value":0.00356978},{"date":"2017-01-01","value":0.00460484},{"date":"2018-01-01","value":0.00495831},{"date":"2019-01-01","value":0.00586197},{"date":"2020-01-01","value":0.00305669},{"date":"2021-01-01","value":0.00546302},{"date":"2022-01-01","value":0.00619212},{"date":"2023-01-01","value":0.00621118}],"summary":{"latest_period":"2023-01-01","latest_value":0.00621118,"max":0.00621118,"mean":0.00247881,"min":0.000404372,"of":180,"rank":28,"trend":"volatile"}}