Compiled from data given in: Dennis O. Flynn / Arturo Giráldez: Cycles of Silver: Global Economic Unity through the Mid-18th Century, in: Markus A. Denzel (ed.): From Commercial Communication to Commercial Integration: Middle Ages to 19th Century, Stuttgart 2004, p. 83; Jan de Vries, Connecting Europe and Asia: A Quantitative Analysis of the Cape-Route Trade: 1497–1797, in: Dennis O. Flynn et al. (eds.): Global Connections and Monetary History: 1470–1800, Aldershot 2003, pp. 94f.