{"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-unit-of-gdp","source":"Statizoid (derived)","source_url":null,"title":"Air transport, freight (million ton-km), per unit of GDP","unit":"million ton-km per US$ of GDP"},"observations":[{"date":"1970-01-01","value":4.56326e-09},{"date":"1971-01-01","value":5.27082e-09},{"date":"1972-01-01","value":4.92032e-09},{"date":"1973-01-01","value":5.99711e-09},{"date":"1974-01-01","value":6.0757e-09},{"date":"1975-01-01","value":3.4888e-09},{"date":"1976-01-01","value":3.34435e-09},{"date":"1977-01-01","value":3.99263e-09},{"date":"1978-01-01","value":4.50025e-09},{"date":"1979-01-01","value":4.38722e-09},{"date":"1980-01-01","value":3.21615e-09},{"date":"1981-01-01","value":3.15224e-09},{"date":"1982-01-01","value":3.21019e-09},{"date":"1983-01-01","value":3.54997e-09},{"date":"1984-01-01","value":4.63161e-09},{"date":"1985-01-01","value":4.93439e-09},{"date":"1986-01-01","value":3.17711e-09},{"date":"1987-01-01","value":2.58598e-09},{"date":"1988-01-01","value":2.50944e-09},{"date":"1989-01-01","value":2.64547e-09},{"date":"1990-01-01","value":2.12161e-09},{"date":"1991-01-01","value":1.82779e-09},{"date":"1992-01-01","value":1.55123e-09},{"date":"1993-01-01","value":1.80297e-09},{"date":"1994-01-01","value":1.81866e-09},{"date":"1995-01-01","value":1.64237e-09},{"date":"1996-01-01","value":1.71981e-09},{"date":"1997-01-01","value":2.12362e-09},{"date":"1998-01-01","value":1.99684e-09},{"date":"1999-01-01","value":1.76591e-09},{"date":"2000-01-01","value":1.90106e-09},{"date":"2001-01-01","value":1.7222e-09},{"date":"2002-01-01","value":1.44624e-09},{"date":"2003-01-01","value":1.2448e-09},{"date":"2004-01-01","value":1.24939e-09},{"date":"2005-01-01","value":1.19259e-09},{"date":"2006-01-01","value":1.40874e-09},{"date":"2007-01-01","value":1.34429e-09},{"date":"2008-01-01","value":1.3191e-09},{"date":"2009-01-01","value":1.28146e-09},{"date":"2010-01-01","value":1.52947e-09},{"date":"2011-01-01","value":1.44992e-09},{"date":"2012-01-01","value":1.48161e-09},{"date":"2013-01-01","value":1.4093e-09},{"date":"2014-01-01","value":1.51544e-09},{"date":"2015-01-01","value":1.72812e-09},{"date":"2016-01-01","value":1.58509e-09},{"date":"2017-01-01","value":1.90991e-09},{"date":"2018-01-01","value":1.87618e-09},{"date":"2019-01-01","value":2.23637e-09},{"date":"2020-01-01","value":1.21945e-09},{"date":"2021-01-01","value":1.95443e-09},{"date":"2022-01-01","value":2.208e-09},{"date":"2023-01-01","value":1.9464e-09}],"summary":{"latest_period":"2023-01-01","latest_value":1.9464e-09,"max":6.0757e-09,"mean":2.53117e-09,"min":1.19259e-09,"of":179,"rank":39,"trend":"volatile"}}