The chart shows the results of surveys in one African country asking teenagers the main reasons for using their phones between 2016 and 2019. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. You should spend about 20 minutes on this task.

The pie charts give information about the proportions of the four main reasons teenagers use their phones in a certain African nation, from 2016 to 2019.

Overall

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, it can be seen that social networks have the highest position

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while

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making phone calls is the lowest during the period. The highest percentage of

this

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feature is social media activity. It increased gradually by 6% during the time frame, which from 50% to 56%. Meanwhile, the second highest is for mailing and it experienced a slight fall

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4%, from 25% and reached 19%.

On the other hand

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, the third place was for taking pictures which there was a 5% moderate rise, arriving at 20% in 2019.

Finally

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, the percentage of teens making phone calls was the lowest among three other reasons. It started at 10% and witnessed a fluctuating trend.

However

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, after soaring by 3%, it declined gradually until it reached 5%.