The document shows a line graph of the commodity price index from 1900 to 2013 that generally trends upward with some fluctuations. It notes the commodity price index is based on averaging four sub-indexes of food, non-food agriculture, metals, and energy prices. Data for 2013 is an average of January to March. Sources are listed under the line graph.

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240
210
180
150
120
90
60
30
1900
1910
1920
1930
1940
1950
1960
1970
1980
1990
2000
2010
1 Based on the arithmetic average of four commodity sub-indexes: food, non-food agricultural items, metals, and energy.
2 Data for 2013 are calculated based on the average of the first three months of 2013.
Source:
Grilli and Yang; Pfaffenzeller; World Bank; International Monetary Fund; Organisation for Economic Cooperation and Development (OECD) statistics; Food and Agriculture Organization of the United Nations (FAO); UN Comtrade; Ellen
MacArthur Foundation; McKinsey Global Institute analysis

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