The pie chart shows the oil reserves in different countries in the Middle East. From the dark blue part, we can see that XXX reserves the most,stand for XX %; and immediately after it is XXX, take XX %. The third biggest oil reserving country is XXX, which had about XX % of all oil reserve in this area.
The most important country, I think, is XXX, because it has the most potantial in the long-run.
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