In a report in June, the World Bank calculated that almost all the growth in the past 20 years in global metal consumption, two-thirds of the increase in energy demand and two-fifths of the rise in food consumption came from seven countries: Brazil, China, India, Indonesia, Mexico, Russia and Turkey.
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Here is a longer-term view from 2006
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The following is an excellent article in The Economist:
Reference the following background information on the CRB Index:
https://en.wikipedia.org/wiki/Thomson_Reuters/CoreCommodity_CRB_Index
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