{"entity":{"iso2":"SL","iso3":"SLE","name":"Sierra Leone","slug":"sierra-leone"},"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":"1975-01-01","value":1.03042e-09},{"date":"1976-01-01","value":1.34477e-09},{"date":"1977-01-01","value":1.301e-09},{"date":"1978-01-01","value":9.3679e-10},{"date":"1979-01-01","value":8.11271e-10},{"date":"1980-01-01","value":8.17669e-10},{"date":"1981-01-01","value":8.07298e-10},{"date":"1982-01-01","value":8.49185e-10},{"date":"1983-01-01","value":1.3064e-09},{"date":"1984-01-01","value":1.19544e-09},{"date":"1985-01-01","value":1.51711e-09},{"date":"1986-01-01","value":3.06009e-09},{"date":"1987-01-01","value":3.78727e-09},{"date":"1988-01-01","value":1.89559e-09},{"date":"1989-01-01","value":2.14368e-09},{"date":"1990-01-01","value":3.38647e-09},{"date":"1992-01-01","value":1.47072e-10},{"date":"1993-01-01","value":1.30061e-10},{"date":"1994-01-01","value":2.19333e-10},{"date":"1995-01-01","value":2.2969e-10},{"date":"1996-01-01","value":3.1857e-10},{"date":"1998-01-01","value":5.94912e-10},{"date":"2000-01-01","value":1.41539e-08},{"date":"2001-01-01","value":3.56831e-09},{"date":"2002-01-01","value":3.13363e-09},{"date":"2003-01-01","value":3.11114e-09},{"date":"2004-01-01","value":3.36693e-09},{"date":"2005-01-01","value":3.16665e-09},{"date":"2006-01-01","value":2.93869e-09},{"date":"2007-01-01","value":2.37602e-09},{"date":"2008-01-01","value":2.00582e-09},{"date":"2009-01-01","value":1.91759e-09},{"date":"2010-01-01","value":0.0},{"date":"2011-01-01","value":0.0},{"date":"2012-01-01","value":0.0}],"summary":{"latest_period":"2012-01-01","latest_value":0.0,"max":1.41539e-08,"mean":1.93054e-09,"min":0.0,"of":179,"rank":163,"trend":"volatile"}}