In addition, we must keep in mind the demanding comparative figures against which sales in the coming six months will be measured.

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In the face of such uncertainty, of course, many people are just throwing up their hands, not bothering to run comparative figures.

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In the 15 biggest U.S. cities an average of 1, 500 people collapse and die from heatwaves each year, a significant increase over the past decade, Obasi said, without giving previous comparative figures.

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