The graph below shows changes in global food and oil prices between 2000 and 2011.

The diagram compares the

food

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price index with the average price of a barrel of

oil

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over the world between 2000 and 2011.

It is clear that

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there was an

overall

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upward trend for both global

prices

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of

food

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and

oil

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over a period of 11 years.

Furthermore

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, both

prices

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increased very

similarly

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and their correlation was about 93% It is clear from the graph that the figures for both increased slightly in the six first years.

However

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,

oil

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cost rose sharply from 60

dollars

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in 2007 and peaked at 130

dollars

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in 2008 and

as a consequence

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, the

food

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cost

also

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followed but did not peak until later. But suddenly,

prices

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of

oil

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fell to 40

dollars

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in the next year and

food

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was 140 points compared with 221 points in the previous year. In the

last

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two years, the

prices

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grew again but the

food

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cost reached a peak of nearly 240 points

this

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time

while

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the

oil

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was around 100

dollars

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.