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De autonijverheid in België
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La consommation privée en Belgique
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Economic importance of the Flemish maritime ports: Report 2002
Economic Importance of the Belgian Ports: Report 2005. Flemish maritime ports and Liège port complex
Economic importance of the Belgian ports: Flemish maritime ports, Liège port complex and the port of Brussels – Report 2009
Economic importance of the Belgian ports: Flemish maritime ports, Liège port complex and the port of Brussels – Report 2010
Economic importance of the Belgian ports: Flemish maritime ports, Liège port complex and the port of Brussels – Report 2011
Economic importance of the Belgian ports: Flemish maritime ports, Liège port complex and the port of Brussels – Report 2012
Economic Importance Of The Belgian Ports: Flemish maritime ports, Liège port complex and the port of Brussels – Report 2013
Flemish maritime ports, Liège port complex and the port of Brussels – Report 2015