{"id":"worldbank.air-transport-freight.mrt.annual","dataset_id":"worldbank-air-transport-freight","indicator":"air-transport-freight","geography":"MRT","frequency":"annual","unit":"million ton-km","start_period":"1970","end_period":"2023","org":"World Bank","original_indicator":"IS.AIR.GOOD.MT.K1","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","geography_name":"Mauritania","region":"Sub-Saharan Africa ","observations":[{"period":"1970","value":5.8000001907,"flags":""},{"period":"1971","value":7.0999999046,"flags":""},{"period":"1972","value":8.0,"flags":""},{"period":"1973","value":8.8000001907,"flags":""},{"period":"1974","value":11.3000001907,"flags":""},{"period":"1975","value":12.0,"flags":""},{"period":"1976","value":13.6999998093,"flags":""},{"period":"1977","value":13.6000003815,"flags":""},{"period":"1978","value":15.3000001907,"flags":""},{"period":"1979","value":17.7999992371,"flags":""},{"period":"1980","value":18.5,"flags":""},{"period":"1981","value":21.5,"flags":""},{"period":"1982","value":21.6000003815,"flags":""},{"period":"1983","value":19.2999992371,"flags":""},{"period":"1984","value":17.5,"flags":""},{"period":"1985","value":18.6000003815,"flags":""},{"period":"1986","value":16.6000003815,"flags":""},{"period":"1987","value":16.5,"flags":""},{"period":"1988","value":16.1000003815,"flags":""},{"period":"1989","value":18.2000007629,"flags":""},{"period":"1990","value":17.8999996185,"flags":""},{"period":"1991","value":16.2999992371,"flags":""},{"period":"1992","value":15.3999996185,"flags":""},{"period":"1993","value":14.3999996185,"flags":""},{"period":"1994","value":14.6999998093,"flags":""},{"period":"1995","value":15.5,"flags":""},{"period":"1996","value":16.7000007629,"flags":""},{"period":"1997","value":15.5,"flags":""},{"period":"1998","value":13.8000001907,"flags":""},{"period":"1999","value":13.8999996185,"flags":""},{"period":"2000","value":12.508,"flags":""},{"period":"2001","value":7.439,"flags":""},{"period":"2002","value":0.074,"flags":""},{"period":"2003","value":0.083,"flags":""},{"period":"2004","value":0.09,"flags":""},{"period":"2005","value":0.095,"flags":""},{"period":"2006","value":0.111,"flags":""},{"period":"2007","value":0.099,"flags":""},{"period":"2008","value":0.116,"flags":""},{"period":"2009","value":0.099,"flags":""},{"period":"2010","value":0.208132727142084,"flags":""},{"period":"2011","value":0.13925043909506,"flags":""},{"period":"2012","value":0.0,"flags":""},{"period":"2013","value":0.0,"flags":""},{"period":"2018","value":0.0,"flags":""},{"period":"2019","value":0.0,"flags":""},{"period":"2022","value":0.0,"flags":""},{"period":"2023","value":0.0,"flags":""}],"indicator_name":"Air transport, freight","topic":"Infrastructure","source":"worldbank","provenance":{"organization":"World Bank","original_indicator":"IS.AIR.GOOD.MT.K1","url":"https://api.worldbank.org/v2","retrieved_at":"2026-11-07T07:57:03+00:00","version":"1","license":"see source"}}