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To: goldsheet who wrote (81968)2/13/2002 6:40:05 AM
From: long-gone  Read Replies (1) | Respond to of 116768
 
Were there the information for you to take those charts & overlay true demand and world population , a tool might have been created.

btw Have you questioned correctness / quality of data? Don't you also question accuracy of data further back on the time line? Wouldn't you also have suspected a more similar reduction in production during 1914-1918 as 1939-1945 and far less similar 1970-1975?