{"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-gaps-filled","source":"Statizoid (derived)","source_url":null,"title":"Air transport, freight (million ton-km), gaps filled","unit":"million ton-km"},"observations":[{"date":"1975-01-01","value":0.7},{"date":"1976-01-01","value":0.8},{"date":"1977-01-01","value":0.9},{"date":"1978-01-01","value":0.9},{"date":"1979-01-01","value":0.9},{"date":"1980-01-01","value":0.9},{"date":"1981-01-01","value":0.9},{"date":"1982-01-01","value":1.1},{"date":"1983-01-01","value":1.3},{"date":"1984-01-01","value":1.3},{"date":"1985-01-01","value":1.3},{"date":"1986-01-01","value":1.5},{"date":"1987-01-01","value":2.5},{"date":"1988-01-01","value":2.0},{"date":"1989-01-01","value":2.0},{"date":"1990-01-01","value":2.2},{"date":"1991-01-01","value":1.15},{"date":"1992-01-01","value":0.1},{"date":"1993-01-01","value":0.1},{"date":"1994-01-01","value":0.2},{"date":"1995-01-01","value":0.2},{"date":"1996-01-01","value":0.3},{"date":"1997-01-01","value":0.35},{"date":"1998-01-01","value":0.4},{"date":"1999-01-01","value":4.7},{"date":"2000-01-01","value":9.0},{"date":"2001-01-01","value":6.0},{"date":"2002-01-01","value":6.06},{"date":"2003-01-01","value":6.666},{"date":"2004-01-01","value":7.533},{"date":"2005-01-01","value":8.06},{"date":"2006-01-01","value":9.591},{"date":"2007-01-01","value":8.632},{"date":"2008-01-01","value":8.34},{"date":"2009-01-01","value":7.581},{"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":9.591,"mean":2.79376,"min":0.0,"of":181,"rank":165,"trend":"volatile"}}