§ 1. The range of articles included as "wholly or partly manufactured" varies according to the classifications adopted in the trade returns of the respective countries. Figures based throughout on a uniform classification are not available. The classes of goods included are described in the trade returns of the respective countries as follows:
- United Kingdom: "Articles wholly or mainly manufactured," together with manufactured tobacco.
- United States: "Manufactures ready for consumption" and "manufactures for further use in manufacturing."
- France: "Objets fabriqués."
§ Manufactured foodstuffs are excluded throughout.
§ 2. The values have been converted into sterling at the par rates of exchange for 1914 and at the average quoted rates for 1922.
§ 3. In the case of France, the territory covered by the statistics for 1922 differs from that to which the figures for 1914 relate.