Why does Samsung show only Head SAR value?

When many well known mobile companies are showing the SAR (radiation) values for Head & Body both, Samsung is surprisingly showing only Head SAR values. Why is that so? In many cases I have found that Body SAR value is higher than Head SAR value. In that case, not reporting Body SAR value by Samsung does not give a good message to people who are concerned about the radiation levels.
Can someone throw light on this please?

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