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.

The chart displays the outcome of surveys in the past 4

years

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regarding the main reasons for the

usage

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of mobile phones by adolescents in one African country, which is measured in percentage.

Overall

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, it can be clearly seen that the

usage

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of social networks was the highest,

whereas

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the proportion of phone calls was the lowest during the period given. In 2016 and 2017, social networks were the majority among 3 other categories which accounted for between 48% and 50%, and 2

years

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later, the

usage

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of social media remained as the highest proportion of the charts by 51 and 56%, respectively.

In addition

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, the second highest

of

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purpose for mobile phones among youngsters was E-mail which accounted for about one-quarter of the charts in 2016 and 2017,

whereas

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the percentage showed slightly low about one-fifth, in the rest 2

years

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. In other categories, digital cameras noted an equal number in

the

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proportion in the early 2

years

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period, and in 2018 and 2019,

this

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third category

also

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noted similarity in the amount of

the

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usage

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for gadgets.

Furthermore

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, in the

last

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category in the period given, approximately 19% to 25% of youngsters were using telephones to make phone calls.